Home / 18,240.14-25,171.41-9,856.64

Finding the Fourth Proportional to 18,240.14, 25,171.41 and 9,856.64

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Solution

The fourth proportional to 18,240.14, 25,171.41 and 9,856.64 is: 13,602.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.14 : 25,171.41 = 9,856.64 : x
  2. Step 2: Convert to fraction form
    18,240.14/25,171.41 = 9,856.64/x
  3. Step 3: Cross multiply
    18,240.14x = 25,171.41 × 9,856.64
  4. Step 4: Simplify right side
    18,240.14x = 248,105,400.81
  5. Step 5: Solve for x
    x = 248,105,400.81/18,240.14
  6. Step 6: Final answer
    x = 13,602.17

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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.