Home / 18,240.24-25,171.55-9,856.74

Finding the Fourth Proportional to 18,240.24, 25,171.55 and 9,856.74

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Solution

The fourth proportional to 18,240.24, 25,171.55 and 9,856.74 is: 13,602.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.24 : 25,171.55 = 9,856.74 : x
  2. Step 2: Convert to fraction form
    18,240.24/25,171.55 = 9,856.74/x
  3. Step 3: Cross multiply
    18,240.24x = 25,171.55 × 9,856.74
  4. Step 4: Simplify right side
    18,240.24x = 248,109,374.46
  5. Step 5: Solve for x
    x = 248,109,374.46/18,240.24
  6. Step 6: Final answer
    x = 13,602.31

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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.