Home / 16,001.60-22,084.80-9,717.20

Finding the Fourth Proportional to 16,001.60, 22,084.80 and 9,717.20

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Solution

The fourth proportional to 16,001.60, 22,084.80 and 9,717.20 is: 13,411.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,001.60 : 22,084.80 = 9,717.20 : x
  2. Step 2: Convert to fraction form
    16,001.60/22,084.80 = 9,717.20/x
  3. Step 3: Cross multiply
    16,001.60x = 22,084.80 × 9,717.20
  4. Step 4: Simplify right side
    16,001.60x = 214,602,418.56
  5. Step 5: Solve for x
    x = 214,602,418.56/16,001.60
  6. Step 6: Final answer
    x = 13,411.31

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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.