Home / 14,471.06-19,948.29-11,321.78

Finding the Fourth Proportional to 14,471.06, 19,948.29 and 11,321.78

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Solution

The fourth proportional to 14,471.06, 19,948.29 and 11,321.78 is: 15,607.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,471.06 : 19,948.29 = 11,321.78 : x
  2. Step 2: Convert to fraction form
    14,471.06/19,948.29 = 11,321.78/x
  3. Step 3: Cross multiply
    14,471.06x = 19,948.29 × 11,321.78
  4. Step 4: Simplify right side
    14,471.06x = 225,850,150.76
  5. Step 5: Solve for x
    x = 225,850,150.76/14,471.06
  6. Step 6: Final answer
    x = 15,607.02

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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.