Home / 22,478.04-33,717.78-8,436.60

Finding the Fourth Proportional to 22,478.04, 33,717.78 and 8,436.60

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Solution

The fourth proportional to 22,478.04, 33,717.78 and 8,436.60 is: 12,655.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,478.04 : 33,717.78 = 8,436.60 : x
  2. Step 2: Convert to fraction form
    22,478.04/33,717.78 = 8,436.60/x
  3. Step 3: Cross multiply
    22,478.04x = 33,717.78 × 8,436.60
  4. Step 4: Simplify right side
    22,478.04x = 284,463,422.75
  5. Step 5: Solve for x
    x = 284,463,422.75/22,478.04
  6. Step 6: Final answer
    x = 12,655.17

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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.