Home / 22,504.87-31,058.54-12,434.21

Finding the Fourth Proportional to 22,504.87, 31,058.54 and 12,434.21

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Solution

The fourth proportional to 22,504.87, 31,058.54 and 12,434.21 is: 17,160.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,504.87 : 31,058.54 = 12,434.21 : x
  2. Step 2: Convert to fraction form
    22,504.87/31,058.54 = 12,434.21/x
  3. Step 3: Cross multiply
    22,504.87x = 31,058.54 × 12,434.21
  4. Step 4: Simplify right side
    22,504.87x = 386,188,354.29
  5. Step 5: Solve for x
    x = 386,188,354.29/22,504.87
  6. Step 6: Final answer
    x = 17,160.21

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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.