Home / 13,258.51-19,887.77-3,397.88

Finding the Fourth Proportional to 13,258.51, 19,887.77 and 3,397.88

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Solution

The fourth proportional to 13,258.51, 19,887.77 and 3,397.88 is: 5,096.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.51 : 19,887.77 = 3,397.88 : x
  2. Step 2: Convert to fraction form
    13,258.51/19,887.77 = 3,397.88/x
  3. Step 3: Cross multiply
    13,258.51x = 19,887.77 × 3,397.88
  4. Step 4: Simplify right side
    13,258.51x = 67,576,314.14
  5. Step 5: Solve for x
    x = 67,576,314.14/13,258.51
  6. Step 6: Final answer
    x = 5,096.83

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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.