Home / 18,689.08-25,790.28-10,305.52

Finding the Fourth Proportional to 18,689.08, 25,790.28 and 10,305.52

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Solution

The fourth proportional to 18,689.08, 25,790.28 and 10,305.52 is: 14,221.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,689.08 : 25,790.28 = 10,305.52 : x
  2. Step 2: Convert to fraction form
    18,689.08/25,790.28 = 10,305.52/x
  3. Step 3: Cross multiply
    18,689.08x = 25,790.28 × 10,305.52
  4. Step 4: Simplify right side
    18,689.08x = 265,782,246.35
  5. Step 5: Solve for x
    x = 265,782,246.35/18,689.08
  6. Step 6: Final answer
    x = 14,221.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.