Home / 9,731.76-13,434.30-6,374.72

Finding the Fourth Proportional to 9,731.76, 13,434.30 and 6,374.72

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Solution

The fourth proportional to 9,731.76, 13,434.30 and 6,374.72 is: 8,800.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,731.76 : 13,434.30 = 6,374.72 : x
  2. Step 2: Convert to fraction form
    9,731.76/13,434.30 = 6,374.72/x
  3. Step 3: Cross multiply
    9,731.76x = 13,434.30 × 6,374.72
  4. Step 4: Simplify right side
    9,731.76x = 85,639,900.90
  5. Step 5: Solve for x
    x = 85,639,900.90/9,731.76
  6. Step 6: Final answer
    x = 8,800.04

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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.