Home / 14,040.88-21,061.35-3,652.63

Finding the Fourth Proportional to 14,040.88, 21,061.35 and 3,652.63

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Solution

The fourth proportional to 14,040.88, 21,061.35 and 3,652.63 is: 5,478.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.88 : 21,061.35 = 3,652.63 : x
  2. Step 2: Convert to fraction form
    14,040.88/21,061.35 = 3,652.63/x
  3. Step 3: Cross multiply
    14,040.88x = 21,061.35 × 3,652.63
  4. Step 4: Simplify right side
    14,040.88x = 76,929,266.20
  5. Step 5: Solve for x
    x = 76,929,266.20/14,040.88
  6. Step 6: Final answer
    x = 5,478.95

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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.