Home / 21,961.53-32,918.67-9,487.42

Finding the Fourth Proportional to 21,961.53, 32,918.67 and 9,487.42

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Solution

The fourth proportional to 21,961.53, 32,918.67 and 9,487.42 is: 14,220.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,961.53 : 32,918.67 = 9,487.42 : x
  2. Step 2: Convert to fraction form
    21,961.53/32,918.67 = 9,487.42/x
  3. Step 3: Cross multiply
    21,961.53x = 32,918.67 × 9,487.42
  4. Step 4: Simplify right side
    21,961.53x = 312,313,248.13
  5. Step 5: Solve for x
    x = 312,313,248.13/21,961.53
  6. Step 6: Final answer
    x = 14,220.92

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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.