Home / 15,515.04-23,272.56-13,201.68

Finding the Fourth Proportional to 15,515.04, 23,272.56 and 13,201.68

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Solution

The fourth proportional to 15,515.04, 23,272.56 and 13,201.68 is: 19,802.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515.04 : 23,272.56 = 13,201.68 : x
  2. Step 2: Convert to fraction form
    15,515.04/23,272.56 = 13,201.68/x
  3. Step 3: Cross multiply
    15,515.04x = 23,272.56 × 13,201.68
  4. Step 4: Simplify right side
    15,515.04x = 307,236,889.90
  5. Step 5: Solve for x
    x = 307,236,889.90/15,515.04
  6. Step 6: Final answer
    x = 19,802.52

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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.