Home / 12,900.27-19,347.96-4,579.95

Finding the Fourth Proportional to 12,900.27, 19,347.96 and 4,579.95

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Solution

The fourth proportional to 12,900.27, 19,347.96 and 4,579.95 is: 6,869.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,900.27 : 19,347.96 = 4,579.95 : x
  2. Step 2: Convert to fraction form
    12,900.27/19,347.96 = 4,579.95/x
  3. Step 3: Cross multiply
    12,900.27x = 19,347.96 × 4,579.95
  4. Step 4: Simplify right side
    12,900.27x = 88,612,689.40
  5. Step 5: Solve for x
    x = 88,612,689.40/12,900.27
  6. Step 6: Final answer
    x = 6,869.06

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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.