Home / 22,723.13-31,357.55-13,293.29

Finding the Fourth Proportional to 22,723.13, 31,357.55 and 13,293.29

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Solution

The fourth proportional to 22,723.13, 31,357.55 and 13,293.29 is: 18,344.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,723.13 : 31,357.55 = 13,293.29 : x
  2. Step 2: Convert to fraction form
    22,723.13/31,357.55 = 13,293.29/x
  3. Step 3: Cross multiply
    22,723.13x = 31,357.55 × 13,293.29
  4. Step 4: Simplify right side
    22,723.13x = 416,844,939.37
  5. Step 5: Solve for x
    x = 416,844,939.37/22,723.13
  6. Step 6: Final answer
    x = 18,344.52

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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.