Home / 21,440.59-32,159.33-7,209.16

Finding the Fourth Proportional to 21,440.59, 32,159.33 and 7,209.16

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Solution

The fourth proportional to 21,440.59, 32,159.33 and 7,209.16 is: 10,813.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,440.59 : 32,159.33 = 7,209.16 : x
  2. Step 2: Convert to fraction form
    21,440.59/32,159.33 = 7,209.16/x
  3. Step 3: Cross multiply
    21,440.59x = 32,159.33 × 7,209.16
  4. Step 4: Simplify right side
    21,440.59x = 231,841,755.46
  5. Step 5: Solve for x
    x = 231,841,755.46/21,440.59
  6. Step 6: Final answer
    x = 10,813.22

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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.