Home / 9,910.08-13,672.40-5,658.06

Finding the Fourth Proportional to 9,910.08, 13,672.40 and 5,658.06

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Solution

The fourth proportional to 9,910.08, 13,672.40 and 5,658.06 is: 7,806.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.08 : 13,672.40 = 5,658.06 : x
  2. Step 2: Convert to fraction form
    9,910.08/13,672.40 = 5,658.06/x
  3. Step 3: Cross multiply
    9,910.08x = 13,672.40 × 5,658.06
  4. Step 4: Simplify right side
    9,910.08x = 77,359,259.54
  5. Step 5: Solve for x
    x = 77,359,259.54/9,910.08
  6. Step 6: Final answer
    x = 7,806.12

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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.