Home / 16,811.68-25,210.22-5,715.38

Finding the Fourth Proportional to 16,811.68, 25,210.22 and 5,715.38

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Solution

The fourth proportional to 16,811.68, 25,210.22 and 5,715.38 is: 8,570.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.68 : 25,210.22 = 5,715.38 : x
  2. Step 2: Convert to fraction form
    16,811.68/25,210.22 = 5,715.38/x
  3. Step 3: Cross multiply
    16,811.68x = 25,210.22 × 5,715.38
  4. Step 4: Simplify right side
    16,811.68x = 144,085,958.61
  5. Step 5: Solve for x
    x = 144,085,958.61/16,811.68
  6. Step 6: Final answer
    x = 8,570.59

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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.