Home / 14,901.76-22,339.20-5,661.12

Finding the Fourth Proportional to 14,901.76, 22,339.20 and 5,661.12

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Solution

The fourth proportional to 14,901.76, 22,339.20 and 5,661.12 is: 8,486.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,901.76 : 22,339.20 = 5,661.12 : x
  2. Step 2: Convert to fraction form
    14,901.76/22,339.20 = 5,661.12/x
  3. Step 3: Cross multiply
    14,901.76x = 22,339.20 × 5,661.12
  4. Step 4: Simplify right side
    14,901.76x = 126,464,891.90
  5. Step 5: Solve for x
    x = 126,464,891.90/14,901.76
  6. Step 6: Final answer
    x = 8,486.57

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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.