Home / 18,282.80-25,232.12-13,182.51

Finding the Fourth Proportional to 18,282.80, 25,232.12 and 13,182.51

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Solution

The fourth proportional to 18,282.80, 25,232.12 and 13,182.51 is: 18,193.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.80 : 25,232.12 = 13,182.51 : x
  2. Step 2: Convert to fraction form
    18,282.80/25,232.12 = 13,182.51/x
  3. Step 3: Cross multiply
    18,282.80x = 25,232.12 × 13,182.51
  4. Step 4: Simplify right side
    18,282.80x = 332,622,826.52
  5. Step 5: Solve for x
    x = 332,622,826.52/18,282.80
  6. Step 6: Final answer
    x = 18,193.21

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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.