Home / 10,110-15,154.58-3,868.54

Finding the Fourth Proportional to 10,110, 15,154.58 and 3,868.54

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Solution

The fourth proportional to 10,110, 15,154.58 and 3,868.54 is: 5,798.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,110 : 15,154.58 = 3,868.54 : x
  2. Step 2: Convert to fraction form
    10,110/15,154.58 = 3,868.54/x
  3. Step 3: Cross multiply
    10,110x = 15,154.58 × 3,868.54
  4. Step 4: Simplify right side
    10,110x = 58,626,098.91
  5. Step 5: Solve for x
    x = 58,626,098.91/10,110
  6. Step 6: Final answer
    x = 5,798.82

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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.