Home / 14,345.07-21,517.01-4,987.20

Finding the Fourth Proportional to 14,345.07, 21,517.01 and 4,987.20

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Solution

The fourth proportional to 14,345.07, 21,517.01 and 4,987.20 is: 7,480.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345.07 : 21,517.01 = 4,987.20 : x
  2. Step 2: Convert to fraction form
    14,345.07/21,517.01 = 4,987.20/x
  3. Step 3: Cross multiply
    14,345.07x = 21,517.01 × 4,987.20
  4. Step 4: Simplify right side
    14,345.07x = 107,309,706.73
  5. Step 5: Solve for x
    x = 107,309,706.73/14,345.07
  6. Step 6: Final answer
    x = 7,480.60

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Half scale
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Double scale
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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.