Home / 9,807.13-13,531.66-5,557.83

Finding the Fourth Proportional to 9,807.13, 13,531.66 and 5,557.83

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Solution

The fourth proportional to 9,807.13, 13,531.66 and 5,557.83 is: 7,668.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,807.13 : 13,531.66 = 5,557.83 : x
  2. Step 2: Convert to fraction form
    9,807.13/13,531.66 = 5,557.83/x
  3. Step 3: Cross multiply
    9,807.13x = 13,531.66 × 5,557.83
  4. Step 4: Simplify right side
    9,807.13x = 75,206,665.90
  5. Step 5: Solve for x
    x = 75,206,665.90/9,807.13
  6. Step 6: Final answer
    x = 7,668.57

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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.