Home / 16,611.45-24,910.76-6,478.57

Finding the Fourth Proportional to 16,611.45, 24,910.76 and 6,478.57

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Solution

The fourth proportional to 16,611.45, 24,910.76 and 6,478.57 is: 9,715.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,611.45 : 24,910.76 = 6,478.57 : x
  2. Step 2: Convert to fraction form
    16,611.45/24,910.76 = 6,478.57/x
  3. Step 3: Cross multiply
    16,611.45x = 24,910.76 × 6,478.57
  4. Step 4: Simplify right side
    16,611.45x = 161,386,149.75
  5. Step 5: Solve for x
    x = 161,386,149.75/16,611.45
  6. Step 6: Final answer
    x = 9,715.36

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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.