Home / 9,638.15-13,296.62-6,488.87

Finding the Fourth Proportional to 9,638.15, 13,296.62 and 6,488.87

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Solution

The fourth proportional to 9,638.15, 13,296.62 and 6,488.87 is: 8,951.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,638.15 : 13,296.62 = 6,488.87 : x
  2. Step 2: Convert to fraction form
    9,638.15/13,296.62 = 6,488.87/x
  3. Step 3: Cross multiply
    9,638.15x = 13,296.62 × 6,488.87
  4. Step 4: Simplify right side
    9,638.15x = 86,279,939.69
  5. Step 5: Solve for x
    x = 86,279,939.69/9,638.15
  6. Step 6: Final answer
    x = 8,951.92

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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.