Home / 14,479.74-21,722.31-9,995.76

Finding the Fourth Proportional to 14,479.74, 21,722.31 and 9,995.76

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Solution

The fourth proportional to 14,479.74, 21,722.31 and 9,995.76 is: 14,995.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,479.74 : 21,722.31 = 9,995.76 : x
  2. Step 2: Convert to fraction form
    14,479.74/21,722.31 = 9,995.76/x
  3. Step 3: Cross multiply
    14,479.74x = 21,722.31 × 9,995.76
  4. Step 4: Simplify right side
    14,479.74x = 217,130,997.41
  5. Step 5: Solve for x
    x = 217,130,997.41/14,479.74
  6. Step 6: Final answer
    x = 14,995.50

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Half scale
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Double scale
Find fourth proportional to 14,480.74, 21,723.81 and 9,996.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.