Home / 9,160.30-13,707.60-7,931.92

Finding the Fourth Proportional to 9,160.30, 13,707.60 and 7,931.92

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Solution

The fourth proportional to 9,160.30, 13,707.60 and 7,931.92 is: 11,869.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160.30 : 13,707.60 = 7,931.92 : x
  2. Step 2: Convert to fraction form
    9,160.30/13,707.60 = 7,931.92/x
  3. Step 3: Cross multiply
    9,160.30x = 13,707.60 × 7,931.92
  4. Step 4: Simplify right side
    9,160.30x = 108,727,586.59
  5. Step 5: Solve for x
    x = 108,727,586.59/9,160.30
  6. Step 6: Final answer
    x = 11,869.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.