Home / 22,440.90-30,981.33-14,897.43

Finding the Fourth Proportional to 22,440.90, 30,981.33 and 14,897.43

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Solution

The fourth proportional to 22,440.90, 30,981.33 and 14,897.43 is: 20,567.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,440.90 : 30,981.33 = 14,897.43 : x
  2. Step 2: Convert to fraction form
    22,440.90/30,981.33 = 14,897.43/x
  3. Step 3: Cross multiply
    22,440.90x = 30,981.33 × 14,897.43
  4. Step 4: Simplify right side
    22,440.90x = 461,542,194.98
  5. Step 5: Solve for x
    x = 461,542,194.98/22,440.90
  6. Step 6: Final answer
    x = 20,567.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.