Home / 12,108.60-18,159.84-3,341.52

Finding the Fourth Proportional to 12,108.60, 18,159.84 and 3,341.52

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Solution

The fourth proportional to 12,108.60, 18,159.84 and 3,341.52 is: 5,011.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108.60 : 18,159.84 = 3,341.52 : x
  2. Step 2: Convert to fraction form
    12,108.60/18,159.84 = 3,341.52/x
  3. Step 3: Cross multiply
    12,108.60x = 18,159.84 × 3,341.52
  4. Step 4: Simplify right side
    12,108.60x = 60,681,468.56
  5. Step 5: Solve for x
    x = 60,681,468.56/12,108.60
  6. Step 6: Final answer
    x = 5,011.44

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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.