Home / 10,391.24-15,581.10-4,150.76

Finding the Fourth Proportional to 10,391.24, 15,581.10 and 4,150.76

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Solution

The fourth proportional to 10,391.24, 15,581.10 and 4,150.76 is: 6,223.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391.24 : 15,581.10 = 4,150.76 : x
  2. Step 2: Convert to fraction form
    10,391.24/15,581.10 = 4,150.76/x
  3. Step 3: Cross multiply
    10,391.24x = 15,581.10 × 4,150.76
  4. Step 4: Simplify right side
    10,391.24x = 64,673,406.64
  5. Step 5: Solve for x
    x = 64,673,406.64/10,391.24
  6. Step 6: Final answer
    x = 6,223.84

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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.