Home / 14,890.17-20,546.92-8,921.69

Finding the Fourth Proportional to 14,890.17, 20,546.92 and 8,921.69

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Solution

The fourth proportional to 14,890.17, 20,546.92 and 8,921.69 is: 12,311.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890.17 : 20,546.92 = 8,921.69 : x
  2. Step 2: Convert to fraction form
    14,890.17/20,546.92 = 8,921.69/x
  3. Step 3: Cross multiply
    14,890.17x = 20,546.92 × 8,921.69
  4. Step 4: Simplify right side
    14,890.17x = 183,313,250.69
  5. Step 5: Solve for x
    x = 183,313,250.69/14,890.17
  6. Step 6: Final answer
    x = 12,311.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.