Home / 10,101.20-15,152.67-3,082.79

Finding the Fourth Proportional to 10,101.20, 15,152.67 and 3,082.79

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Solution

The fourth proportional to 10,101.20, 15,152.67 and 3,082.79 is: 4,624.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.20 : 15,152.67 = 3,082.79 : x
  2. Step 2: Convert to fraction form
    10,101.20/15,152.67 = 3,082.79/x
  3. Step 3: Cross multiply
    10,101.20x = 15,152.67 × 3,082.79
  4. Step 4: Simplify right side
    10,101.20x = 46,712,537.43
  5. Step 5: Solve for x
    x = 46,712,537.43/10,101.20
  6. Step 6: Final answer
    x = 4,624.46

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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.