Home / 18,885.48-28,332.50-6,236.12

Finding the Fourth Proportional to 18,885.48, 28,332.50 and 6,236.12

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Solution

The fourth proportional to 18,885.48, 28,332.50 and 6,236.12 is: 9,355.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,885.48 : 28,332.50 = 6,236.12 : x
  2. Step 2: Convert to fraction form
    18,885.48/28,332.50 = 6,236.12/x
  3. Step 3: Cross multiply
    18,885.48x = 28,332.50 × 6,236.12
  4. Step 4: Simplify right side
    18,885.48x = 176,684,869.90
  5. Step 5: Solve for x
    x = 176,684,869.90/18,885.48
  6. Step 6: Final answer
    x = 9,355.59

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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.