Home / 9,349.97-12,902.87-5,158.13

Finding the Fourth Proportional to 9,349.97, 12,902.87 and 5,158.13

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Solution

The fourth proportional to 9,349.97, 12,902.87 and 5,158.13 is: 7,118.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,349.97 : 12,902.87 = 5,158.13 : x
  2. Step 2: Convert to fraction form
    9,349.97/12,902.87 = 5,158.13/x
  3. Step 3: Cross multiply
    9,349.97x = 12,902.87 × 5,158.13
  4. Step 4: Simplify right side
    9,349.97x = 66,554,629.21
  5. Step 5: Solve for x
    x = 66,554,629.21/9,349.97
  6. Step 6: Final answer
    x = 7,118.17

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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.