Home / 18,850.54-28,282.28-11,822.07

Finding the Fourth Proportional to 18,850.54, 28,282.28 and 11,822.07

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Solution

The fourth proportional to 18,850.54, 28,282.28 and 11,822.07 is: 17,737.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850.54 : 28,282.28 = 11,822.07 : x
  2. Step 2: Convert to fraction form
    18,850.54/28,282.28 = 11,822.07/x
  3. Step 3: Cross multiply
    18,850.54x = 28,282.28 × 11,822.07
  4. Step 4: Simplify right side
    18,850.54x = 334,354,893.40
  5. Step 5: Solve for x
    x = 334,354,893.40/18,850.54
  6. Step 6: Final answer
    x = 17,737.15

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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.