Home / 22,008.56-30,371.24-13,391.51

Finding the Fourth Proportional to 22,008.56, 30,371.24 and 13,391.51

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Solution

The fourth proportional to 22,008.56, 30,371.24 and 13,391.51 is: 18,479.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,008.56 : 30,371.24 = 13,391.51 : x
  2. Step 2: Convert to fraction form
    22,008.56/30,371.24 = 13,391.51/x
  3. Step 3: Cross multiply
    22,008.56x = 30,371.24 × 13,391.51
  4. Step 4: Simplify right side
    22,008.56x = 406,716,697.21
  5. Step 5: Solve for x
    x = 406,716,697.21/22,008.56
  6. Step 6: Final answer
    x = 18,479.93

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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.