Home / 22,290.06-30,759.30-13,332.36

Finding the Fourth Proportional to 22,290.06, 30,759.30 and 13,332.36

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Solution

The fourth proportional to 22,290.06, 30,759.30 and 13,332.36 is: 18,398.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,290.06 : 30,759.30 = 13,332.36 : x
  2. Step 2: Convert to fraction form
    22,290.06/30,759.30 = 13,332.36/x
  3. Step 3: Cross multiply
    22,290.06x = 30,759.30 × 13,332.36
  4. Step 4: Simplify right side
    22,290.06x = 410,094,060.95
  5. Step 5: Solve for x
    x = 410,094,060.95/22,290.06
  6. Step 6: Final answer
    x = 18,398.07

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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.