Home / 16,121.62-22,248.33-9,047.86

Finding the Fourth Proportional to 16,121.62, 22,248.33 and 9,047.86

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Solution

The fourth proportional to 16,121.62, 22,248.33 and 9,047.86 is: 12,486.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121.62 : 22,248.33 = 9,047.86 : x
  2. Step 2: Convert to fraction form
    16,121.62/22,248.33 = 9,047.86/x
  3. Step 3: Cross multiply
    16,121.62x = 22,248.33 × 9,047.86
  4. Step 4: Simplify right side
    16,121.62x = 201,299,775.07
  5. Step 5: Solve for x
    x = 201,299,775.07/16,121.62
  6. Step 6: Final answer
    x = 12,486.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.