Home / 9,011.97-13,515.21-3,167.19

Finding the Fourth Proportional to 9,011.97, 13,515.21 and 3,167.19

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Solution

The fourth proportional to 9,011.97, 13,515.21 and 3,167.19 is: 4,749.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.97 : 13,515.21 = 3,167.19 : x
  2. Step 2: Convert to fraction form
    9,011.97/13,515.21 = 3,167.19/x
  3. Step 3: Cross multiply
    9,011.97x = 13,515.21 × 3,167.19
  4. Step 4: Simplify right side
    9,011.97x = 42,805,237.96
  5. Step 5: Solve for x
    x = 42,805,237.96/9,011.97
  6. Step 6: Final answer
    x = 4,749.82

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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.