Home / 13,258.28-19,886.96-3,397.65

Finding the Fourth Proportional to 13,258.28, 19,886.96 and 3,397.65

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Solution

The fourth proportional to 13,258.28, 19,886.96 and 3,397.65 is: 5,096.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.28 : 19,886.96 = 3,397.65 : x
  2. Step 2: Convert to fraction form
    13,258.28/19,886.96 = 3,397.65/x
  3. Step 3: Cross multiply
    13,258.28x = 19,886.96 × 3,397.65
  4. Step 4: Simplify right side
    13,258.28x = 67,568,938.14
  5. Step 5: Solve for x
    x = 67,568,938.14/13,258.28
  6. Step 6: Final answer
    x = 5,096.36

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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.