Home / 11,160.30-15,401.38-6,124.43

Finding the Fourth Proportional to 11,160.30, 15,401.38 and 6,124.43

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Solution

The fourth proportional to 11,160.30, 15,401.38 and 6,124.43 is: 8,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.30 : 15,401.38 = 6,124.43 : x
  2. Step 2: Convert to fraction form
    11,160.30/15,401.38 = 6,124.43/x
  3. Step 3: Cross multiply
    11,160.30x = 15,401.38 × 6,124.43
  4. Step 4: Simplify right side
    11,160.30x = 94,324,643.09
  5. Step 5: Solve for x
    x = 94,324,643.09/11,160.30
  6. Step 6: Final answer
    x = 8,451.80

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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.