Home / 14,275.76-21,409.80-3,885.04

Finding the Fourth Proportional to 14,275.76, 21,409.80 and 3,885.04

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Solution

The fourth proportional to 14,275.76, 21,409.80 and 3,885.04 is: 5,826.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.76 : 21,409.80 = 3,885.04 : x
  2. Step 2: Convert to fraction form
    14,275.76/21,409.80 = 3,885.04/x
  3. Step 3: Cross multiply
    14,275.76x = 21,409.80 × 3,885.04
  4. Step 4: Simplify right side
    14,275.76x = 83,177,929.39
  5. Step 5: Solve for x
    x = 83,177,929.39/14,275.76
  6. Step 6: Final answer
    x = 5,826.51

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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.