Home / 9,417.38-12,996.60-5,438.66

Finding the Fourth Proportional to 9,417.38, 12,996.60 and 5,438.66

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Solution

The fourth proportional to 9,417.38, 12,996.60 and 5,438.66 is: 7,505.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,417.38 : 12,996.60 = 5,438.66 : x
  2. Step 2: Convert to fraction form
    9,417.38/12,996.60 = 5,438.66/x
  3. Step 3: Cross multiply
    9,417.38x = 12,996.60 × 5,438.66
  4. Step 4: Simplify right side
    9,417.38x = 70,684,088.56
  5. Step 5: Solve for x
    x = 70,684,088.56/9,417.38
  6. Step 6: Final answer
    x = 7,505.71

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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.