Home / 14,180.55-21,274.28-4,320.02

Finding the Fourth Proportional to 14,180.55, 21,274.28 and 4,320.02

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Solution

The fourth proportional to 14,180.55, 21,274.28 and 4,320.02 is: 6,481.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.55 : 21,274.28 = 4,320.02 : x
  2. Step 2: Convert to fraction form
    14,180.55/21,274.28 = 4,320.02/x
  3. Step 3: Cross multiply
    14,180.55x = 21,274.28 × 4,320.02
  4. Step 4: Simplify right side
    14,180.55x = 91,905,187.11
  5. Step 5: Solve for x
    x = 91,905,187.11/14,180.55
  6. Step 6: Final answer
    x = 6,481.07

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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.