Home / 12,330.28-18,497.26-4,538.50

Finding the Fourth Proportional to 12,330.28, 18,497.26 and 4,538.50

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Solution

The fourth proportional to 12,330.28, 18,497.26 and 4,538.50 is: 6,808.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.28 : 18,497.26 = 4,538.50 : x
  2. Step 2: Convert to fraction form
    12,330.28/18,497.26 = 4,538.50/x
  3. Step 3: Cross multiply
    12,330.28x = 18,497.26 × 4,538.50
  4. Step 4: Simplify right side
    12,330.28x = 83,949,722.02
  5. Step 5: Solve for x
    x = 83,949,722.02/12,330.28
  6. Step 6: Final answer
    x = 6,808.42

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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.