Home / 9,156.30-13,734.45-3,000.30

Finding the Fourth Proportional to 9,156.30, 13,734.45 and 3,000.30

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Solution

The fourth proportional to 9,156.30, 13,734.45 and 3,000.30 is: 4,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.30 : 13,734.45 = 3,000.30 : x
  2. Step 2: Convert to fraction form
    9,156.30/13,734.45 = 3,000.30/x
  3. Step 3: Cross multiply
    9,156.30x = 13,734.45 × 3,000.30
  4. Step 4: Simplify right side
    9,156.30x = 41,207,470.34
  5. Step 5: Solve for x
    x = 41,207,470.34/9,156.30
  6. Step 6: Final answer
    x = 4,500.45

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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.