Home / 16,812.78-25,211.87-5,716.49

Finding the Fourth Proportional to 16,812.78, 25,211.87 and 5,716.49

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Solution

The fourth proportional to 16,812.78, 25,211.87 and 5,716.49 is: 8,572.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,812.78 : 25,211.87 = 5,716.49 : x
  2. Step 2: Convert to fraction form
    16,812.78/25,211.87 = 5,716.49/x
  3. Step 3: Cross multiply
    16,812.78x = 25,211.87 × 5,716.49
  4. Step 4: Simplify right side
    16,812.78x = 144,123,402.74
  5. Step 5: Solve for x
    x = 144,123,402.74/16,812.78
  6. Step 6: Final answer
    x = 8,572.25

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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.