Home / 12,110.96-18,147.25-9,344.40

Finding the Fourth Proportional to 12,110.96, 18,147.25 and 9,344.40

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Solution

The fourth proportional to 12,110.96, 18,147.25 and 9,344.40 is: 14,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.96 : 18,147.25 = 9,344.40 : x
  2. Step 2: Convert to fraction form
    12,110.96/18,147.25 = 9,344.40/x
  3. Step 3: Cross multiply
    12,110.96x = 18,147.25 × 9,344.40
  4. Step 4: Simplify right side
    12,110.96x = 169,575,116.18
  5. Step 5: Solve for x
    x = 169,575,116.18/12,110.96
  6. Step 6: Final answer
    x = 14,001.80

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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.