Home / 13,223.12-18,248.08-7,253.92

Finding the Fourth Proportional to 13,223.12, 18,248.08 and 7,253.92

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Solution

The fourth proportional to 13,223.12, 18,248.08 and 7,253.92 is: 10,010.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.12 : 18,248.08 = 7,253.92 : x
  2. Step 2: Convert to fraction form
    13,223.12/18,248.08 = 7,253.92/x
  3. Step 3: Cross multiply
    13,223.12x = 18,248.08 × 7,253.92
  4. Step 4: Simplify right side
    13,223.12x = 132,370,112.47
  5. Step 5: Solve for x
    x = 132,370,112.47/13,223.12
  6. Step 6: Final answer
    x = 10,010.51

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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.