Home / 22,828.80-34,218.90-8,783.40

Finding the Fourth Proportional to 22,828.80, 34,218.90 and 8,783.40

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Solution

The fourth proportional to 22,828.80, 34,218.90 and 8,783.40 is: 13,165.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,828.80 : 34,218.90 = 8,783.40 : x
  2. Step 2: Convert to fraction form
    22,828.80/34,218.90 = 8,783.40/x
  3. Step 3: Cross multiply
    22,828.80x = 34,218.90 × 8,783.40
  4. Step 4: Simplify right side
    22,828.80x = 300,558,286.26
  5. Step 5: Solve for x
    x = 300,558,286.26/22,828.80
  6. Step 6: Final answer
    x = 13,165.75

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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.