Home / 12,156.48-18,236.52-4,367.12

Finding the Fourth Proportional to 12,156.48, 18,236.52 and 4,367.12

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Solution

The fourth proportional to 12,156.48, 18,236.52 and 4,367.12 is: 6,551.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,156.48 : 18,236.52 = 4,367.12 : x
  2. Step 2: Convert to fraction form
    12,156.48/18,236.52 = 4,367.12/x
  3. Step 3: Cross multiply
    12,156.48x = 18,236.52 × 4,367.12
  4. Step 4: Simplify right side
    12,156.48x = 79,640,980.04
  5. Step 5: Solve for x
    x = 79,640,980.04/12,156.48
  6. Step 6: Final answer
    x = 6,551.32

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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.