Home / 9,008.47-12,428.11-6,019.57

Finding the Fourth Proportional to 9,008.47, 12,428.11 and 6,019.57

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Solution

The fourth proportional to 9,008.47, 12,428.11 and 6,019.57 is: 8,304.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008.47 : 12,428.11 = 6,019.57 : x
  2. Step 2: Convert to fraction form
    9,008.47/12,428.11 = 6,019.57/x
  3. Step 3: Cross multiply
    9,008.47x = 12,428.11 × 6,019.57
  4. Step 4: Simplify right side
    9,008.47x = 74,811,847.53
  5. Step 5: Solve for x
    x = 74,811,847.53/9,008.47
  6. Step 6: Final answer
    x = 8,304.61

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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.