Home / 12,102.39-18,114.53-6,250.95

Finding the Fourth Proportional to 12,102.39, 18,114.53 and 6,250.95

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Solution

The fourth proportional to 12,102.39, 18,114.53 and 6,250.95 is: 9,356.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,102.39 : 18,114.53 = 6,250.95 : x
  2. Step 2: Convert to fraction form
    12,102.39/18,114.53 = 6,250.95/x
  3. Step 3: Cross multiply
    12,102.39x = 18,114.53 × 6,250.95
  4. Step 4: Simplify right side
    12,102.39x = 113,232,990.05
  5. Step 5: Solve for x
    x = 113,232,990.05/12,102.39
  6. Step 6: Final answer
    x = 9,356.25

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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.