Home / 22,003.68-30,359.70-13,053.45

Finding the Fourth Proportional to 22,003.68, 30,359.70 and 13,053.45

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Solution

The fourth proportional to 22,003.68, 30,359.70 and 13,053.45 is: 18,010.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,003.68 : 30,359.70 = 13,053.45 : x
  2. Step 2: Convert to fraction form
    22,003.68/30,359.70 = 13,053.45/x
  3. Step 3: Cross multiply
    22,003.68x = 30,359.70 × 13,053.45
  4. Step 4: Simplify right side
    22,003.68x = 396,298,825.97
  5. Step 5: Solve for x
    x = 396,298,825.97/22,003.68
  6. Step 6: Final answer
    x = 18,010.57

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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.