Home / 12,301.56-18,455.94-5,277.88

Finding the Fourth Proportional to 12,301.56, 18,455.94 and 5,277.88

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Solution

The fourth proportional to 12,301.56, 18,455.94 and 5,277.88 is: 7,918.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301.56 : 18,455.94 = 5,277.88 : x
  2. Step 2: Convert to fraction form
    12,301.56/18,455.94 = 5,277.88/x
  3. Step 3: Cross multiply
    12,301.56x = 18,455.94 × 5,277.88
  4. Step 4: Simplify right side
    12,301.56x = 97,408,236.61
  5. Step 5: Solve for x
    x = 97,408,236.61/12,301.56
  6. Step 6: Final answer
    x = 7,918.36

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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.