Home / 12,540.29-18,808.52-3,307.01

Finding the Fourth Proportional to 12,540.29, 18,808.52 and 3,307.01

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Solution

The fourth proportional to 12,540.29, 18,808.52 and 3,307.01 is: 4,960.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,540.29 : 18,808.52 = 3,307.01 : x
  2. Step 2: Convert to fraction form
    12,540.29/18,808.52 = 3,307.01/x
  3. Step 3: Cross multiply
    12,540.29x = 18,808.52 × 3,307.01
  4. Step 4: Simplify right side
    12,540.29x = 62,199,947.19
  5. Step 5: Solve for x
    x = 62,199,947.19/12,540.29
  6. Step 6: Final answer
    x = 4,960.01

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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.