Home / 13,267.60-18,308.91-7,217.65

Finding the Fourth Proportional to 13,267.60, 18,308.91 and 7,217.65

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Solution

The fourth proportional to 13,267.60, 18,308.91 and 7,217.65 is: 9,960.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.60 : 18,308.91 = 7,217.65 : x
  2. Step 2: Convert to fraction form
    13,267.60/18,308.91 = 7,217.65/x
  3. Step 3: Cross multiply
    13,267.60x = 18,308.91 × 7,217.65
  4. Step 4: Simplify right side
    13,267.60x = 132,147,304.26
  5. Step 5: Solve for x
    x = 132,147,304.26/13,267.60
  6. Step 6: Final answer
    x = 9,960.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.