Home / 22,293.78-33,430.94-8,433.06

Finding the Fourth Proportional to 22,293.78, 33,430.94 and 8,433.06

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Solution

The fourth proportional to 22,293.78, 33,430.94 and 8,433.06 is: 12,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,293.78 : 33,430.94 = 8,433.06 : x
  2. Step 2: Convert to fraction form
    22,293.78/33,430.94 = 8,433.06/x
  3. Step 3: Cross multiply
    22,293.78x = 33,430.94 × 8,433.06
  4. Step 4: Simplify right side
    22,293.78x = 281,924,955.72
  5. Step 5: Solve for x
    x = 281,924,955.72/22,293.78
  6. Step 6: Final answer
    x = 12,645.90

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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.