Home / 10,130.67-15,201.68-4,291.65

Finding the Fourth Proportional to 10,130.67, 15,201.68 and 4,291.65

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Solution

The fourth proportional to 10,130.67, 15,201.68 and 4,291.65 is: 6,439.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.67 : 15,201.68 = 4,291.65 : x
  2. Step 2: Convert to fraction form
    10,130.67/15,201.68 = 4,291.65/x
  3. Step 3: Cross multiply
    10,130.67x = 15,201.68 × 4,291.65
  4. Step 4: Simplify right side
    10,130.67x = 65,240,289.97
  5. Step 5: Solve for x
    x = 65,240,289.97/10,130.67
  6. Step 6: Final answer
    x = 6,439.88

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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.