Home / 22,144.49-30,542.10-14,187.47

Finding the Fourth Proportional to 22,144.49, 30,542.10 and 14,187.47

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Solution

The fourth proportional to 22,144.49, 30,542.10 and 14,187.47 is: 19,567.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,144.49 : 30,542.10 = 14,187.47 : x
  2. Step 2: Convert to fraction form
    22,144.49/30,542.10 = 14,187.47/x
  3. Step 3: Cross multiply
    22,144.49x = 30,542.10 × 14,187.47
  4. Step 4: Simplify right side
    22,144.49x = 433,315,127.49
  5. Step 5: Solve for x
    x = 433,315,127.49/22,144.49
  6. Step 6: Final answer
    x = 19,567.63

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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.