Home / 9,877.32-13,619.70-7,360.92

Finding the Fourth Proportional to 9,877.32, 13,619.70 and 7,360.92

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Solution

The fourth proportional to 9,877.32, 13,619.70 and 7,360.92 is: 10,149.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,877.32 : 13,619.70 = 7,360.92 : x
  2. Step 2: Convert to fraction form
    9,877.32/13,619.70 = 7,360.92/x
  3. Step 3: Cross multiply
    9,877.32x = 13,619.70 × 7,360.92
  4. Step 4: Simplify right side
    9,877.32x = 100,253,522.12
  5. Step 5: Solve for x
    x = 100,253,522.12/9,877.32
  6. Step 6: Final answer
    x = 10,149.87

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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.