Home / 21,402.04-32,116.92-11,548.12

Finding the Fourth Proportional to 21,402.04, 32,116.92 and 11,548.12

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Solution

The fourth proportional to 21,402.04, 32,116.92 and 11,548.12 is: 17,329.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,402.04 : 32,116.92 = 11,548.12 : x
  2. Step 2: Convert to fraction form
    21,402.04/32,116.92 = 11,548.12/x
  3. Step 3: Cross multiply
    21,402.04x = 32,116.92 × 11,548.12
  4. Step 4: Simplify right side
    21,402.04x = 370,890,046.19
  5. Step 5: Solve for x
    x = 370,890,046.19/21,402.04
  6. Step 6: Final answer
    x = 17,329.66

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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.