Home / 21,229.04-31,801.51-14,549.12

Finding the Fourth Proportional to 21,229.04, 31,801.51 and 14,549.12

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Solution

The fourth proportional to 21,229.04, 31,801.51 and 14,549.12 is: 21,794.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,229.04 : 31,801.51 = 14,549.12 : x
  2. Step 2: Convert to fraction form
    21,229.04/31,801.51 = 14,549.12/x
  3. Step 3: Cross multiply
    21,229.04x = 31,801.51 × 14,549.12
  4. Step 4: Simplify right side
    21,229.04x = 462,683,985.17
  5. Step 5: Solve for x
    x = 462,683,985.17/21,229.04
  6. Step 6: Final answer
    x = 21,794.86

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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.