Home / 14,272.50-21,409.02-3,884.52

Finding the Fourth Proportional to 14,272.50, 21,409.02 and 3,884.52

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Solution

The fourth proportional to 14,272.50, 21,409.02 and 3,884.52 is: 5,826.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.50 : 21,409.02 = 3,884.52 : x
  2. Step 2: Convert to fraction form
    14,272.50/21,409.02 = 3,884.52/x
  3. Step 3: Cross multiply
    14,272.50x = 21,409.02 × 3,884.52
  4. Step 4: Simplify right side
    14,272.50x = 83,163,766.37
  5. Step 5: Solve for x
    x = 83,163,766.37/14,272.50
  6. Step 6: Final answer
    x = 5,826.85

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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.