Home / 18,827.06-28,246.66-11,338.74

Finding the Fourth Proportional to 18,827.06, 28,246.66 and 11,338.74

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Solution

The fourth proportional to 18,827.06, 28,246.66 and 11,338.74 is: 17,011.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.06 : 28,246.66 = 11,338.74 : x
  2. Step 2: Convert to fraction form
    18,827.06/28,246.66 = 11,338.74/x
  3. Step 3: Cross multiply
    18,827.06x = 28,246.66 × 11,338.74
  4. Step 4: Simplify right side
    18,827.06x = 320,281,505.26
  5. Step 5: Solve for x
    x = 320,281,505.26/18,827.06
  6. Step 6: Final answer
    x = 17,011.77

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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.