Home / 9,021.11-13,498.85-7,446.47

Finding the Fourth Proportional to 9,021.11, 13,498.85 and 7,446.47

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Solution

The fourth proportional to 9,021.11, 13,498.85 and 7,446.47 is: 11,142.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.11 : 13,498.85 = 7,446.47 : x
  2. Step 2: Convert to fraction form
    9,021.11/13,498.85 = 7,446.47/x
  3. Step 3: Cross multiply
    9,021.11x = 13,498.85 × 7,446.47
  4. Step 4: Simplify right side
    9,021.11x = 100,518,732.68
  5. Step 5: Solve for x
    x = 100,518,732.68/9,021.11
  6. Step 6: Final answer
    x = 11,142.62

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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.