Home / 21,614.16-32,398.80-11,732.40

Finding the Fourth Proportional to 21,614.16, 32,398.80 and 11,732.40

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Solution

The fourth proportional to 21,614.16, 32,398.80 and 11,732.40 is: 17,586.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,614.16 : 32,398.80 = 11,732.40 : x
  2. Step 2: Convert to fraction form
    21,614.16/32,398.80 = 11,732.40/x
  3. Step 3: Cross multiply
    21,614.16x = 32,398.80 × 11,732.40
  4. Step 4: Simplify right side
    21,614.16x = 380,115,681.12
  5. Step 5: Solve for x
    x = 380,115,681.12/21,614.16
  6. Step 6: Final answer
    x = 17,586.42

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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.