Home / 16,811.10-25,217.85-5,124.30

Finding the Fourth Proportional to 16,811.10, 25,217.85 and 5,124.30

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Solution

The fourth proportional to 16,811.10, 25,217.85 and 5,124.30 is: 7,686.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.10 : 25,217.85 = 5,124.30 : x
  2. Step 2: Convert to fraction form
    16,811.10/25,217.85 = 5,124.30/x
  3. Step 3: Cross multiply
    16,811.10x = 25,217.85 × 5,124.30
  4. Step 4: Simplify right side
    16,811.10x = 129,223,828.76
  5. Step 5: Solve for x
    x = 129,223,828.76/16,811.10
  6. Step 6: Final answer
    x = 7,686.82

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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.