Home / 8,167.30-12,258.15-7,000.90

Finding the Fourth Proportional to 8,167.30, 12,258.15 and 7,000.90

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Solution

The fourth proportional to 8,167.30, 12,258.15 and 7,000.90 is: 10,507.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.30 : 12,258.15 = 7,000.90 : x
  2. Step 2: Convert to fraction form
    8,167.30/12,258.15 = 7,000.90/x
  3. Step 3: Cross multiply
    8,167.30x = 12,258.15 × 7,000.90
  4. Step 4: Simplify right side
    8,167.30x = 85,818,082.34
  5. Step 5: Solve for x
    x = 85,818,082.34/8,167.30
  6. Step 6: Final answer
    x = 10,507.52

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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.