Home / 14,171.23-21,257.19-6,776.47

Finding the Fourth Proportional to 14,171.23, 21,257.19 and 6,776.47

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Solution

The fourth proportional to 14,171.23, 21,257.19 and 6,776.47 is: 10,164.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171.23 : 21,257.19 = 6,776.47 : x
  2. Step 2: Convert to fraction form
    14,171.23/21,257.19 = 6,776.47/x
  3. Step 3: Cross multiply
    14,171.23x = 21,257.19 × 6,776.47
  4. Step 4: Simplify right side
    14,171.23x = 144,048,587.09
  5. Step 5: Solve for x
    x = 144,048,587.09/14,171.23
  6. Step 6: Final answer
    x = 10,164.86

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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.