Home / 9,338.46-12,887.13-5,359.47

Finding the Fourth Proportional to 9,338.46, 12,887.13 and 5,359.47

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Solution

The fourth proportional to 9,338.46, 12,887.13 and 5,359.47 is: 7,396.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,338.46 : 12,887.13 = 5,359.47 : x
  2. Step 2: Convert to fraction form
    9,338.46/12,887.13 = 5,359.47/x
  3. Step 3: Cross multiply
    9,338.46x = 12,887.13 × 5,359.47
  4. Step 4: Simplify right side
    9,338.46x = 69,068,186.62
  5. Step 5: Solve for x
    x = 69,068,186.62/9,338.46
  6. Step 6: Final answer
    x = 7,396.10

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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.