Home / 14,321.78-21,462.18-6,306.92

Finding the Fourth Proportional to 14,321.78, 21,462.18 and 6,306.92

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Solution

The fourth proportional to 14,321.78, 21,462.18 and 6,306.92 is: 9,451.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321.78 : 21,462.18 = 6,306.92 : x
  2. Step 2: Convert to fraction form
    14,321.78/21,462.18 = 6,306.92/x
  3. Step 3: Cross multiply
    14,321.78x = 21,462.18 × 6,306.92
  4. Step 4: Simplify right side
    14,321.78x = 135,360,252.29
  5. Step 5: Solve for x
    x = 135,360,252.29/14,321.78
  6. Step 6: Final answer
    x = 9,451.36

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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.