Home / 12,652.23-18,974.87-4,754.14

Finding the Fourth Proportional to 12,652.23, 18,974.87 and 4,754.14

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Solution

The fourth proportional to 12,652.23, 18,974.87 and 4,754.14 is: 7,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,652.23 : 18,974.87 = 4,754.14 : x
  2. Step 2: Convert to fraction form
    12,652.23/18,974.87 = 4,754.14/x
  3. Step 3: Cross multiply
    12,652.23x = 18,974.87 × 4,754.14
  4. Step 4: Simplify right side
    12,652.23x = 90,209,117.25
  5. Step 5: Solve for x
    x = 90,209,117.25/12,652.23
  6. Step 6: Final answer
    x = 7,129.90

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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.