Home / 14,414.87-21,611.55-9,721.71

Finding the Fourth Proportional to 14,414.87, 21,611.55 and 9,721.71

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Solution

The fourth proportional to 14,414.87, 21,611.55 and 9,721.71 is: 14,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,414.87 : 21,611.55 = 9,721.71 : x
  2. Step 2: Convert to fraction form
    14,414.87/21,611.55 = 9,721.71/x
  3. Step 3: Cross multiply
    14,414.87x = 21,611.55 × 9,721.71
  4. Step 4: Simplify right side
    14,414.87x = 210,101,159.46
  5. Step 5: Solve for x
    x = 210,101,159.46/14,414.87
  6. Step 6: Final answer
    x = 14,575.30

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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.