Home / 11,160.88-15,401.99-6,125.16

Finding the Fourth Proportional to 11,160.88, 15,401.99 and 6,125.16

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Solution

The fourth proportional to 11,160.88, 15,401.99 and 6,125.16 is: 8,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.88 : 15,401.99 = 6,125.16 : x
  2. Step 2: Convert to fraction form
    11,160.88/15,401.99 = 6,125.16/x
  3. Step 3: Cross multiply
    11,160.88x = 15,401.99 × 6,125.16
  4. Step 4: Simplify right side
    11,160.88x = 94,339,574.78
  5. Step 5: Solve for x
    x = 94,339,574.78/11,160.88
  6. Step 6: Final answer
    x = 8,452.70

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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.