Home / 10,240.24-14,128.20-6,047.68

Finding the Fourth Proportional to 10,240.24, 14,128.20 and 6,047.68

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Solution

The fourth proportional to 10,240.24, 14,128.20 and 6,047.68 is: 8,343.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.24 : 14,128.20 = 6,047.68 : x
  2. Step 2: Convert to fraction form
    10,240.24/14,128.20 = 6,047.68/x
  3. Step 3: Cross multiply
    10,240.24x = 14,128.20 × 6,047.68
  4. Step 4: Simplify right side
    10,240.24x = 85,442,832.58
  5. Step 5: Solve for x
    x = 85,442,832.58/10,240.24
  6. Step 6: Final answer
    x = 8,343.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.