Home / 11,040.90-16,560.96-3,143.47

Finding the Fourth Proportional to 11,040.90, 16,560.96 and 3,143.47

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Solution

The fourth proportional to 11,040.90, 16,560.96 and 3,143.47 is: 4,715.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.90 : 16,560.96 = 3,143.47 : x
  2. Step 2: Convert to fraction form
    11,040.90/16,560.96 = 3,143.47/x
  3. Step 3: Cross multiply
    11,040.90x = 16,560.96 × 3,143.47
  4. Step 4: Simplify right side
    11,040.90x = 52,058,838.74
  5. Step 5: Solve for x
    x = 52,058,838.74/11,040.90
  6. Step 6: Final answer
    x = 4,715.09

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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.