Home / 12,084.48-18,112.14-6,237.90

Finding the Fourth Proportional to 12,084.48, 18,112.14 and 6,237.90

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Solution

The fourth proportional to 12,084.48, 18,112.14 and 6,237.90 is: 9,349.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084.48 : 18,112.14 = 6,237.90 : x
  2. Step 2: Convert to fraction form
    12,084.48/18,112.14 = 6,237.90/x
  3. Step 3: Cross multiply
    12,084.48x = 18,112.14 × 6,237.90
  4. Step 4: Simplify right side
    12,084.48x = 112,981,718.11
  5. Step 5: Solve for x
    x = 112,981,718.11/12,084.48
  6. Step 6: Final answer
    x = 9,349.32

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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.