Home / 12,337.40-18,495.30-11,025.20

Finding the Fourth Proportional to 12,337.40, 18,495.30 and 11,025.20

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Solution

The fourth proportional to 12,337.40, 18,495.30 and 11,025.20 is: 16,528.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,337.40 : 18,495.30 = 11,025.20 : x
  2. Step 2: Convert to fraction form
    12,337.40/18,495.30 = 11,025.20/x
  3. Step 3: Cross multiply
    12,337.40x = 18,495.30 × 11,025.20
  4. Step 4: Simplify right side
    12,337.40x = 203,914,381.56
  5. Step 5: Solve for x
    x = 203,914,381.56/12,337.40
  6. Step 6: Final answer
    x = 16,528.15

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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.