Home / 18,964.74-28,437.75-5,813.94

Finding the Fourth Proportional to 18,964.74, 28,437.75 and 5,813.94

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Solution

The fourth proportional to 18,964.74, 28,437.75 and 5,813.94 is: 8,718.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964.74 : 28,437.75 = 5,813.94 : x
  2. Step 2: Convert to fraction form
    18,964.74/28,437.75 = 5,813.94/x
  3. Step 3: Cross multiply
    18,964.74x = 28,437.75 × 5,813.94
  4. Step 4: Simplify right side
    18,964.74x = 165,335,372.24
  5. Step 5: Solve for x
    x = 165,335,372.24/18,964.74
  6. Step 6: Final answer
    x = 8,718.04

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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.