Home / 18,000.86-27,013.34-7,470.89

Finding the Fourth Proportional to 18,000.86, 27,013.34 and 7,470.89

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Solution

The fourth proportional to 18,000.86, 27,013.34 and 7,470.89 is: 11,211.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,000.86 : 27,013.34 = 7,470.89 : x
  2. Step 2: Convert to fraction form
    18,000.86/27,013.34 = 7,470.89/x
  3. Step 3: Cross multiply
    18,000.86x = 27,013.34 × 7,470.89
  4. Step 4: Simplify right side
    18,000.86x = 201,813,691.67
  5. Step 5: Solve for x
    x = 201,813,691.67/18,000.86
  6. Step 6: Final answer
    x = 11,211.34

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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.