Home / 22,170.76-30,595.92-13,223.36

Finding the Fourth Proportional to 22,170.76, 30,595.92 and 13,223.36

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Solution

The fourth proportional to 22,170.76, 30,595.92 and 13,223.36 is: 18,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.76 : 30,595.92 = 13,223.36 : x
  2. Step 2: Convert to fraction form
    22,170.76/30,595.92 = 13,223.36/x
  3. Step 3: Cross multiply
    22,170.76x = 30,595.92 × 13,223.36
  4. Step 4: Simplify right side
    22,170.76x = 404,580,864.69
  5. Step 5: Solve for x
    x = 404,580,864.69/22,170.76
  6. Step 6: Final answer
    x = 18,248.40

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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.