Home / 22,335.42-30,820.38-13,257.54

Finding the Fourth Proportional to 22,335.42, 30,820.38 and 13,257.54

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Solution

The fourth proportional to 22,335.42, 30,820.38 and 13,257.54 is: 18,293.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,335.42 : 30,820.38 = 13,257.54 : x
  2. Step 2: Convert to fraction form
    22,335.42/30,820.38 = 13,257.54/x
  3. Step 3: Cross multiply
    22,335.42x = 30,820.38 × 13,257.54
  4. Step 4: Simplify right side
    22,335.42x = 408,602,420.67
  5. Step 5: Solve for x
    x = 408,602,420.67/22,335.42
  6. Step 6: Final answer
    x = 18,293.92

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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.