Home / 12,330.66-18,497.85-4,538.88

Finding the Fourth Proportional to 12,330.66, 18,497.85 and 4,538.88

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Solution

The fourth proportional to 12,330.66, 18,497.85 and 4,538.88 is: 6,809.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.66 : 18,497.85 = 4,538.88 : x
  2. Step 2: Convert to fraction form
    12,330.66/18,497.85 = 4,538.88/x
  3. Step 3: Cross multiply
    12,330.66x = 18,497.85 × 4,538.88
  4. Step 4: Simplify right side
    12,330.66x = 83,959,521.41
  5. Step 5: Solve for x
    x = 83,959,521.41/12,330.66
  6. Step 6: Final answer
    x = 6,809.00

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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.