Home / 13,258.40-19,887.39-3,397.59

Finding the Fourth Proportional to 13,258.40, 19,887.39 and 3,397.59

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Solution

The fourth proportional to 13,258.40, 19,887.39 and 3,397.59 is: 5,096.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.40 : 19,887.39 = 3,397.59 : x
  2. Step 2: Convert to fraction form
    13,258.40/19,887.39 = 3,397.59/x
  3. Step 3: Cross multiply
    13,258.40x = 19,887.39 × 3,397.59
  4. Step 4: Simplify right side
    13,258.40x = 67,569,197.39
  5. Step 5: Solve for x
    x = 67,569,197.39/13,258.40
  6. Step 6: Final answer
    x = 5,096.33

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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.