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Finding the Fourth Proportional to 17,851.48, 24,640.14 and 10,778.38

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Solution

The fourth proportional to 17,851.48, 24,640.14 and 10,778.38 is: 14,877.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,851.48 : 24,640.14 = 10,778.38 : x
  2. Step 2: Convert to fraction form
    17,851.48/24,640.14 = 10,778.38/x
  3. Step 3: Cross multiply
    17,851.48x = 24,640.14 × 10,778.38
  4. Step 4: Simplify right side
    17,851.48x = 265,580,792.17
  5. Step 5: Solve for x
    x = 265,580,792.17/17,851.48
  6. Step 6: Final answer
    x = 14,877.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.