Home / 9,389.12-14,083.68-6,458.56

Finding the Fourth Proportional to 9,389.12, 14,083.68 and 6,458.56

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Solution

The fourth proportional to 9,389.12, 14,083.68 and 6,458.56 is: 9,687.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,389.12 : 14,083.68 = 6,458.56 : x
  2. Step 2: Convert to fraction form
    9,389.12/14,083.68 = 6,458.56/x
  3. Step 3: Cross multiply
    9,389.12x = 14,083.68 × 6,458.56
  4. Step 4: Simplify right side
    9,389.12x = 90,960,292.30
  5. Step 5: Solve for x
    x = 90,960,292.30/9,389.12
  6. Step 6: Final answer
    x = 9,687.84

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Similar ratio
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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.