Home / 10,160.33-15,241.91-3,140.91

Finding the Fourth Proportional to 10,160.33, 15,241.91 and 3,140.91

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Solution

The fourth proportional to 10,160.33, 15,241.91 and 3,140.91 is: 4,711.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,160.33 : 15,241.91 = 3,140.91 : x
  2. Step 2: Convert to fraction form
    10,160.33/15,241.91 = 3,140.91/x
  3. Step 3: Cross multiply
    10,160.33x = 15,241.91 × 3,140.91
  4. Step 4: Simplify right side
    10,160.33x = 47,873,451.83
  5. Step 5: Solve for x
    x = 47,873,451.83/10,160.33
  6. Step 6: Final answer
    x = 4,711.80

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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.