Home / 10,151.28-14,004.36-6,119.76

Finding the Fourth Proportional to 10,151.28, 14,004.36 and 6,119.76

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Solution

The fourth proportional to 10,151.28, 14,004.36 and 6,119.76 is: 8,442.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,151.28 : 14,004.36 = 6,119.76 : x
  2. Step 2: Convert to fraction form
    10,151.28/14,004.36 = 6,119.76/x
  3. Step 3: Cross multiply
    10,151.28x = 14,004.36 × 6,119.76
  4. Step 4: Simplify right side
    10,151.28x = 85,703,322.15
  5. Step 5: Solve for x
    x = 85,703,322.15/10,151.28
  6. Step 6: Final answer
    x = 8,442.61

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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.