Home / 22,316.50-30,795.57-12,244.78

Finding the Fourth Proportional to 22,316.50, 30,795.57 and 12,244.78

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Solution

The fourth proportional to 22,316.50, 30,795.57 and 12,244.78 is: 16,897.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,316.50 : 30,795.57 = 12,244.78 : x
  2. Step 2: Convert to fraction form
    22,316.50/30,795.57 = 12,244.78/x
  3. Step 3: Cross multiply
    22,316.50x = 30,795.57 × 12,244.78
  4. Step 4: Simplify right side
    22,316.50x = 377,084,979.62
  5. Step 5: Solve for x
    x = 377,084,979.62/22,316.50
  6. Step 6: Final answer
    x = 16,897.14

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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.