Home / 11,160.66-15,401.90-6,125.35

Finding the Fourth Proportional to 11,160.66, 15,401.90 and 6,125.35

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Solution

The fourth proportional to 11,160.66, 15,401.90 and 6,125.35 is: 8,453.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.66 : 15,401.90 = 6,125.35 : x
  2. Step 2: Convert to fraction form
    11,160.66/15,401.90 = 6,125.35/x
  3. Step 3: Cross multiply
    11,160.66x = 15,401.90 × 6,125.35
  4. Step 4: Simplify right side
    11,160.66x = 94,342,016.57
  5. Step 5: Solve for x
    x = 94,342,016.57/11,160.66
  6. Step 6: Final answer
    x = 8,453.09

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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.