Home / 14,112.02-21,178.19-11,371.79

Finding the Fourth Proportional to 14,112.02, 21,178.19 and 11,371.79

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Solution

The fourth proportional to 14,112.02, 21,178.19 and 11,371.79 is: 17,065.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.02 : 21,178.19 = 11,371.79 : x
  2. Step 2: Convert to fraction form
    14,112.02/21,178.19 = 11,371.79/x
  3. Step 3: Cross multiply
    14,112.02x = 21,178.19 × 11,371.79
  4. Step 4: Simplify right side
    14,112.02x = 240,834,010.64
  5. Step 5: Solve for x
    x = 240,834,010.64/14,112.02
  6. Step 6: Final answer
    x = 17,065.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.