Home / 12,114.60-18,159.32-4,716.06

Finding the Fourth Proportional to 12,114.60, 18,159.32 and 4,716.06

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Solution

The fourth proportional to 12,114.60, 18,159.32 and 4,716.06 is: 7,069.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114.60 : 18,159.32 = 4,716.06 : x
  2. Step 2: Convert to fraction form
    12,114.60/18,159.32 = 4,716.06/x
  3. Step 3: Cross multiply
    12,114.60x = 18,159.32 × 4,716.06
  4. Step 4: Simplify right side
    12,114.60x = 85,640,442.68
  5. Step 5: Solve for x
    x = 85,640,442.68/12,114.60
  6. Step 6: Final answer
    x = 7,069.19

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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.