Home / 9,159.26-13,741.62-2,920.12

Finding the Fourth Proportional to 9,159.26, 13,741.62 and 2,920.12

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Solution

The fourth proportional to 9,159.26, 13,741.62 and 2,920.12 is: 4,381.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.26 : 13,741.62 = 2,920.12 : x
  2. Step 2: Convert to fraction form
    9,159.26/13,741.62 = 2,920.12/x
  3. Step 3: Cross multiply
    9,159.26x = 13,741.62 × 2,920.12
  4. Step 4: Simplify right side
    9,159.26x = 40,127,179.39
  5. Step 5: Solve for x
    x = 40,127,179.39/9,159.26
  6. Step 6: Final answer
    x = 4,381.05

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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.