Home / 18,331.32-25,297.71-9,947.82

Finding the Fourth Proportional to 18,331.32, 25,297.71 and 9,947.82

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Solution

The fourth proportional to 18,331.32, 25,297.71 and 9,947.82 is: 13,728.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.32 : 25,297.71 = 9,947.82 : x
  2. Step 2: Convert to fraction form
    18,331.32/25,297.71 = 9,947.82/x
  3. Step 3: Cross multiply
    18,331.32x = 25,297.71 × 9,947.82
  4. Step 4: Simplify right side
    18,331.32x = 251,657,065.49
  5. Step 5: Solve for x
    x = 251,657,065.49/18,331.32
  6. Step 6: Final answer
    x = 13,728.26

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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.