Home / 11,543.90-17,314.27-4,147.29

Finding the Fourth Proportional to 11,543.90, 17,314.27 and 4,147.29

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Solution

The fourth proportional to 11,543.90, 17,314.27 and 4,147.29 is: 6,220.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,543.90 : 17,314.27 = 4,147.29 : x
  2. Step 2: Convert to fraction form
    11,543.90/17,314.27 = 4,147.29/x
  3. Step 3: Cross multiply
    11,543.90x = 17,314.27 × 4,147.29
  4. Step 4: Simplify right side
    11,543.90x = 71,807,288.46
  5. Step 5: Solve for x
    x = 71,807,288.46/11,543.90
  6. Step 6: Final answer
    x = 6,220.37

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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.