Home / 9,001.12-13,506.56-3,161.92

Finding the Fourth Proportional to 9,001.12, 13,506.56 and 3,161.92

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Solution

The fourth proportional to 9,001.12, 13,506.56 and 3,161.92 is: 4,744.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001.12 : 13,506.56 = 3,161.92 : x
  2. Step 2: Convert to fraction form
    9,001.12/13,506.56 = 3,161.92/x
  3. Step 3: Cross multiply
    9,001.12x = 13,506.56 × 3,161.92
  4. Step 4: Simplify right side
    9,001.12x = 42,706,662.20
  5. Step 5: Solve for x
    x = 42,706,662.20/9,001.12
  6. Step 6: Final answer
    x = 4,744.59

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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.