Home / 18,364.32-27,544.56-9,000.72

Finding the Fourth Proportional to 18,364.32, 27,544.56 and 9,000.72

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Solution

The fourth proportional to 18,364.32, 27,544.56 and 9,000.72 is: 13,500.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,364.32 : 27,544.56 = 9,000.72 : x
  2. Step 2: Convert to fraction form
    18,364.32/27,544.56 = 9,000.72/x
  3. Step 3: Cross multiply
    18,364.32x = 27,544.56 × 9,000.72
  4. Step 4: Simplify right side
    18,364.32x = 247,920,872.08
  5. Step 5: Solve for x
    x = 247,920,872.08/18,364.32
  6. Step 6: Final answer
    x = 13,500.14

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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.