Home / 14,251.42-21,377.18-4,390.65

Finding the Fourth Proportional to 14,251.42, 21,377.18 and 4,390.65

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Solution

The fourth proportional to 14,251.42, 21,377.18 and 4,390.65 is: 6,585.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.42 : 21,377.18 = 4,390.65 : x
  2. Step 2: Convert to fraction form
    14,251.42/21,377.18 = 4,390.65/x
  3. Step 3: Cross multiply
    14,251.42x = 21,377.18 × 4,390.65
  4. Step 4: Simplify right side
    14,251.42x = 93,859,726.34
  5. Step 5: Solve for x
    x = 93,859,726.34/14,251.42
  6. Step 6: Final answer
    x = 6,585.99

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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.