Home / 22,237.46-30,712.89-15,151.58

Finding the Fourth Proportional to 22,237.46, 30,712.89 and 15,151.58

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Solution

The fourth proportional to 22,237.46, 30,712.89 and 15,151.58 is: 20,926.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,237.46 : 30,712.89 = 15,151.58 : x
  2. Step 2: Convert to fraction form
    22,237.46/30,712.89 = 15,151.58/x
  3. Step 3: Cross multiply
    22,237.46x = 30,712.89 × 15,151.58
  4. Step 4: Simplify right side
    22,237.46x = 465,348,809.87
  5. Step 5: Solve for x
    x = 465,348,809.87/22,237.46
  6. Step 6: Final answer
    x = 20,926.35

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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.