Home / 9,642.92-13,306.60-5,393.68

Finding the Fourth Proportional to 9,642.92, 13,306.60 and 5,393.68

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Solution

The fourth proportional to 9,642.92, 13,306.60 and 5,393.68 is: 7,442.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642.92 : 13,306.60 = 5,393.68 : x
  2. Step 2: Convert to fraction form
    9,642.92/13,306.60 = 5,393.68/x
  3. Step 3: Cross multiply
    9,642.92x = 13,306.60 × 5,393.68
  4. Step 4: Simplify right side
    9,642.92x = 71,771,542.29
  5. Step 5: Solve for x
    x = 71,771,542.29/9,642.92
  6. Step 6: Final answer
    x = 7,442.93

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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.