Home / 12,550.28-18,824.91-5,154.55

Finding the Fourth Proportional to 12,550.28, 18,824.91 and 5,154.55

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Solution

The fourth proportional to 12,550.28, 18,824.91 and 5,154.55 is: 7,731.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.28 : 18,824.91 = 5,154.55 : x
  2. Step 2: Convert to fraction form
    12,550.28/18,824.91 = 5,154.55/x
  3. Step 3: Cross multiply
    12,550.28x = 18,824.91 × 5,154.55
  4. Step 4: Simplify right side
    12,550.28x = 97,033,939.84
  5. Step 5: Solve for x
    x = 97,033,939.84/12,550.28
  6. Step 6: Final answer
    x = 7,731.62

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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.