Home / 10,120.83-15,182.87-4,277.49

Finding the Fourth Proportional to 10,120.83, 15,182.87 and 4,277.49

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Solution

The fourth proportional to 10,120.83, 15,182.87 and 4,277.49 is: 6,416.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.83 : 15,182.87 = 4,277.49 : x
  2. Step 2: Convert to fraction form
    10,120.83/15,182.87 = 4,277.49/x
  3. Step 3: Cross multiply
    10,120.83x = 15,182.87 × 4,277.49
  4. Step 4: Simplify right side
    10,120.83x = 64,944,553.21
  5. Step 5: Solve for x
    x = 64,944,553.21/10,120.83
  6. Step 6: Final answer
    x = 6,416.92

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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.