Home / 14,964.57-20,651.13-8,591.40

Finding the Fourth Proportional to 14,964.57, 20,651.13 and 8,591.40

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Solution

The fourth proportional to 14,964.57, 20,651.13 and 8,591.40 is: 11,856.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,964.57 : 20,651.13 = 8,591.40 : x
  2. Step 2: Convert to fraction form
    14,964.57/20,651.13 = 8,591.40/x
  3. Step 3: Cross multiply
    14,964.57x = 20,651.13 × 8,591.40
  4. Step 4: Simplify right side
    14,964.57x = 177,422,118.28
  5. Step 5: Solve for x
    x = 177,422,118.28/14,964.57
  6. Step 6: Final answer
    x = 11,856.15

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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.