Home / 22,010.81-30,384.38-13,514.31

Finding the Fourth Proportional to 22,010.81, 30,384.38 and 13,514.31

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Solution

The fourth proportional to 22,010.81, 30,384.38 and 13,514.31 is: 18,655.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,010.81 : 30,384.38 = 13,514.31 : x
  2. Step 2: Convert to fraction form
    22,010.81/30,384.38 = 13,514.31/x
  3. Step 3: Cross multiply
    22,010.81x = 30,384.38 × 13,514.31
  4. Step 4: Simplify right side
    22,010.81x = 410,623,964.26
  5. Step 5: Solve for x
    x = 410,623,964.26/22,010.81
  6. Step 6: Final answer
    x = 18,655.56

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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.