Home / 18,267.87-27,385.61-8,902.65

Finding the Fourth Proportional to 18,267.87, 27,385.61 and 8,902.65

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Solution

The fourth proportional to 18,267.87, 27,385.61 and 8,902.65 is: 13,346.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267.87 : 27,385.61 = 8,902.65 : x
  2. Step 2: Convert to fraction form
    18,267.87/27,385.61 = 8,902.65/x
  3. Step 3: Cross multiply
    18,267.87x = 27,385.61 × 8,902.65
  4. Step 4: Simplify right side
    18,267.87x = 243,804,456.35
  5. Step 5: Solve for x
    x = 243,804,456.35/18,267.87
  6. Step 6: Final answer
    x = 13,346.08

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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.