Home / 20,370.06-30,552.39-9,264.78

Finding the Fourth Proportional to 20,370.06, 30,552.39 and 9,264.78

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Solution

The fourth proportional to 20,370.06, 30,552.39 and 9,264.78 is: 13,895.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,370.06 : 30,552.39 = 9,264.78 : x
  2. Step 2: Convert to fraction form
    20,370.06/30,552.39 = 9,264.78/x
  3. Step 3: Cross multiply
    20,370.06x = 30,552.39 × 9,264.78
  4. Step 4: Simplify right side
    20,370.06x = 283,061,171.82
  5. Step 5: Solve for x
    x = 283,061,171.82/20,370.06
  6. Step 6: Final answer
    x = 13,895.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.