Home / 18,240.19-25,171.46-9,856.69

Finding the Fourth Proportional to 18,240.19, 25,171.46 and 9,856.69

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Solution

The fourth proportional to 18,240.19, 25,171.46 and 9,856.69 is: 13,602.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.19 : 25,171.46 = 9,856.69 : x
  2. Step 2: Convert to fraction form
    18,240.19/25,171.46 = 9,856.69/x
  3. Step 3: Cross multiply
    18,240.19x = 25,171.46 × 9,856.69
  4. Step 4: Simplify right side
    18,240.19x = 248,107,202.82
  5. Step 5: Solve for x
    x = 248,107,202.82/18,240.19
  6. Step 6: Final answer
    x = 13,602.23

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

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