Home / 14,591.79-20,115.66-10,392.75

Finding the Fourth Proportional to 14,591.79, 20,115.66 and 10,392.75

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Solution

The fourth proportional to 14,591.79, 20,115.66 and 10,392.75 is: 14,327.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,591.79 : 20,115.66 = 10,392.75 : x
  2. Step 2: Convert to fraction form
    14,591.79/20,115.66 = 10,392.75/x
  3. Step 3: Cross multiply
    14,591.79x = 20,115.66 × 10,392.75
  4. Step 4: Simplify right side
    14,591.79x = 209,057,025.47
  5. Step 5: Solve for x
    x = 209,057,025.47/14,591.79
  6. Step 6: Final answer
    x = 14,327.03

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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.