Home / 16,811.57-25,220.70-5,715.29

Finding the Fourth Proportional to 16,811.57, 25,220.70 and 5,715.29

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Solution

The fourth proportional to 16,811.57, 25,220.70 and 5,715.29 is: 8,574.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.57 : 25,220.70 = 5,715.29 : x
  2. Step 2: Convert to fraction form
    16,811.57/25,220.70 = 5,715.29/x
  3. Step 3: Cross multiply
    16,811.57x = 25,220.70 × 5,715.29
  4. Step 4: Simplify right side
    16,811.57x = 144,143,677.55
  5. Step 5: Solve for x
    x = 144,143,677.55/16,811.57
  6. Step 6: Final answer
    x = 8,574.07

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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.