Home / 13,217.27-18,240.09-7,248.59

Finding the Fourth Proportional to 13,217.27, 18,240.09 and 7,248.59

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Solution

The fourth proportional to 13,217.27, 18,240.09 and 7,248.59 is: 10,003.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217.27 : 18,240.09 = 7,248.59 : x
  2. Step 2: Convert to fraction form
    13,217.27/18,240.09 = 7,248.59/x
  3. Step 3: Cross multiply
    13,217.27x = 18,240.09 × 7,248.59
  4. Step 4: Simplify right side
    13,217.27x = 132,214,842.77
  5. Step 5: Solve for x
    x = 132,214,842.77/13,217.27
  6. Step 6: Final answer
    x = 10,003.19

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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.