Home / 10,082.34-13,911.58-5,889.78

Finding the Fourth Proportional to 10,082.34, 13,911.58 and 5,889.78

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Solution

The fourth proportional to 10,082.34, 13,911.58 and 5,889.78 is: 8,126.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,082.34 : 13,911.58 = 5,889.78 : x
  2. Step 2: Convert to fraction form
    10,082.34/13,911.58 = 5,889.78/x
  3. Step 3: Cross multiply
    10,082.34x = 13,911.58 × 5,889.78
  4. Step 4: Simplify right side
    10,082.34x = 81,936,145.65
  5. Step 5: Solve for x
    x = 81,936,145.65/10,082.34
  6. Step 6: Final answer
    x = 8,126.70

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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.