Home / 13,549.26-20,319.66-8,001.12

Finding the Fourth Proportional to 13,549.26, 20,319.66 and 8,001.12

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Solution

The fourth proportional to 13,549.26, 20,319.66 and 8,001.12 is: 11,999.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.26 : 20,319.66 = 8,001.12 : x
  2. Step 2: Convert to fraction form
    13,549.26/20,319.66 = 8,001.12/x
  3. Step 3: Cross multiply
    13,549.26x = 20,319.66 × 8,001.12
  4. Step 4: Simplify right side
    13,549.26x = 162,580,038.02
  5. Step 5: Solve for x
    x = 162,580,038.02/13,549.26
  6. Step 6: Final answer
    x = 11,999.18

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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.