Home / 22,349.31-30,840.51-13,392.33

Finding the Fourth Proportional to 22,349.31, 30,840.51 and 13,392.33

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Solution

The fourth proportional to 22,349.31, 30,840.51 and 13,392.33 is: 18,480.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,349.31 : 30,840.51 = 13,392.33 : x
  2. Step 2: Convert to fraction form
    22,349.31/30,840.51 = 13,392.33/x
  3. Step 3: Cross multiply
    22,349.31x = 30,840.51 × 13,392.33
  4. Step 4: Simplify right side
    22,349.31x = 413,026,287.29
  5. Step 5: Solve for x
    x = 413,026,287.29/22,349.31
  6. Step 6: Final answer
    x = 18,480.49

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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.