Home / 13,809.32-20,650.38-10,258.14

Finding the Fourth Proportional to 13,809.32, 20,650.38 and 10,258.14

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Solution

The fourth proportional to 13,809.32, 20,650.38 and 10,258.14 is: 15,339.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,809.32 : 20,650.38 = 10,258.14 : x
  2. Step 2: Convert to fraction form
    13,809.32/20,650.38 = 10,258.14/x
  3. Step 3: Cross multiply
    13,809.32x = 20,650.38 × 10,258.14
  4. Step 4: Simplify right side
    13,809.32x = 211,834,489.09
  5. Step 5: Solve for x
    x = 211,834,489.09/13,809.32
  6. Step 6: Final answer
    x = 15,339.97

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1.5x scale

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.