Home / 12,867.39-19,301.10-5,076

Finding the Fourth Proportional to 12,867.39, 19,301.10 and 5,076

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Solution

The fourth proportional to 12,867.39, 19,301.10 and 5,076 is: 7,614.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,867.39 : 19,301.10 = 5,076 : x
  2. Step 2: Convert to fraction form
    12,867.39/19,301.10 = 5,076/x
  3. Step 3: Cross multiply
    12,867.39x = 19,301.10 × 5,076
  4. Step 4: Simplify right side
    12,867.39x = 97,972,383.60
  5. Step 5: Solve for x
    x = 97,972,383.60/12,867.39
  6. Step 6: Final answer
    x = 7,614.01

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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.