Home / 18,135.20-27,227.76-9,376.16

Finding the Fourth Proportional to 18,135.20, 27,227.76 and 9,376.16

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Solution

The fourth proportional to 18,135.20, 27,227.76 and 9,376.16 is: 14,077.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135.20 : 27,227.76 = 9,376.16 : x
  2. Step 2: Convert to fraction form
    18,135.20/27,227.76 = 9,376.16/x
  3. Step 3: Cross multiply
    18,135.20x = 27,227.76 × 9,376.16
  4. Step 4: Simplify right side
    18,135.20x = 255,291,834.20
  5. Step 5: Solve for x
    x = 255,291,834.20/18,135.20
  6. Step 6: Final answer
    x = 14,077.14

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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.