Home / 12,132.84-18,200.88-4,236.96

Finding the Fourth Proportional to 12,132.84, 18,200.88 and 4,236.96

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Solution

The fourth proportional to 12,132.84, 18,200.88 and 4,236.96 is: 6,356.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132.84 : 18,200.88 = 4,236.96 : x
  2. Step 2: Convert to fraction form
    12,132.84/18,200.88 = 4,236.96/x
  3. Step 3: Cross multiply
    12,132.84x = 18,200.88 × 4,236.96
  4. Step 4: Simplify right side
    12,132.84x = 77,116,400.52
  5. Step 5: Solve for x
    x = 77,116,400.52/12,132.84
  6. Step 6: Final answer
    x = 6,356.01

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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.