Home / 12,770.20-19,155.04-9,006.52

Finding the Fourth Proportional to 12,770.20, 19,155.04 and 9,006.52

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Solution

The fourth proportional to 12,770.20, 19,155.04 and 9,006.52 is: 13,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770.20 : 19,155.04 = 9,006.52 : x
  2. Step 2: Convert to fraction form
    12,770.20/19,155.04 = 9,006.52/x
  3. Step 3: Cross multiply
    12,770.20x = 19,155.04 × 9,006.52
  4. Step 4: Simplify right side
    12,770.20x = 172,520,250.86
  5. Step 5: Solve for x
    x = 172,520,250.86/12,770.20
  6. Step 6: Final answer
    x = 13,509.60

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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.