Home / 9,350.76-12,903.12-5,158.96

Finding the Fourth Proportional to 9,350.76, 12,903.12 and 5,158.96

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Solution

The fourth proportional to 9,350.76, 12,903.12 and 5,158.96 is: 7,118.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,350.76 : 12,903.12 = 5,158.96 : x
  2. Step 2: Convert to fraction form
    9,350.76/12,903.12 = 5,158.96/x
  3. Step 3: Cross multiply
    9,350.76x = 12,903.12 × 5,158.96
  4. Step 4: Simplify right side
    9,350.76x = 66,566,679.96
  5. Step 5: Solve for x
    x = 66,566,679.96/9,350.76
  6. Step 6: Final answer
    x = 7,118.85

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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.