Home / 22,513.03-31,071.42-13,439.41

Finding the Fourth Proportional to 22,513.03, 31,071.42 and 13,439.41

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Solution

The fourth proportional to 22,513.03, 31,071.42 and 13,439.41 is: 18,548.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,513.03 : 31,071.42 = 13,439.41 : x
  2. Step 2: Convert to fraction form
    22,513.03/31,071.42 = 13,439.41/x
  3. Step 3: Cross multiply
    22,513.03x = 31,071.42 × 13,439.41
  4. Step 4: Simplify right side
    22,513.03x = 417,581,552.66
  5. Step 5: Solve for x
    x = 417,581,552.66/22,513.03
  6. Step 6: Final answer
    x = 18,548.44

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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.