Home / 10,511.92-15,767.53-4,270.08

Finding the Fourth Proportional to 10,511.92, 15,767.53 and 4,270.08

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Solution

The fourth proportional to 10,511.92, 15,767.53 and 4,270.08 is: 6,404.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,511.92 : 15,767.53 = 4,270.08 : x
  2. Step 2: Convert to fraction form
    10,511.92/15,767.53 = 4,270.08/x
  3. Step 3: Cross multiply
    10,511.92x = 15,767.53 × 4,270.08
  4. Step 4: Simplify right side
    10,511.92x = 67,328,630.62
  5. Step 5: Solve for x
    x = 67,328,630.62/10,511.92
  6. Step 6: Final answer
    x = 6,404.98

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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.