Home / 10,240.72-15,336.45-6,943.83

Finding the Fourth Proportional to 10,240.72, 15,336.45 and 6,943.83

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Solution

The fourth proportional to 10,240.72, 15,336.45 and 6,943.83 is: 10,399.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.72 : 15,336.45 = 6,943.83 : x
  2. Step 2: Convert to fraction form
    10,240.72/15,336.45 = 6,943.83/x
  3. Step 3: Cross multiply
    10,240.72x = 15,336.45 × 6,943.83
  4. Step 4: Simplify right side
    10,240.72x = 106,493,701.60
  5. Step 5: Solve for x
    x = 106,493,701.60/10,240.72
  6. Step 6: Final answer
    x = 10,399.04

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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.