Home / 12,152.60-18,180.30-10,527.20

Finding the Fourth Proportional to 12,152.60, 18,180.30 and 10,527.20

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Solution

The fourth proportional to 12,152.60, 18,180.30 and 10,527.20 is: 15,748.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,152.60 : 18,180.30 = 10,527.20 : x
  2. Step 2: Convert to fraction form
    12,152.60/18,180.30 = 10,527.20/x
  3. Step 3: Cross multiply
    12,152.60x = 18,180.30 × 10,527.20
  4. Step 4: Simplify right side
    12,152.60x = 191,387,654.16
  5. Step 5: Solve for x
    x = 191,387,654.16/12,152.60
  6. Step 6: Final answer
    x = 15,748.70

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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.