Home / 22,917.40-34,381.56-8,127.60

Finding the Fourth Proportional to 22,917.40, 34,381.56 and 8,127.60

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Solution

The fourth proportional to 22,917.40, 34,381.56 and 8,127.60 is: 12,193.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,917.40 : 34,381.56 = 8,127.60 : x
  2. Step 2: Convert to fraction form
    22,917.40/34,381.56 = 8,127.60/x
  3. Step 3: Cross multiply
    22,917.40x = 34,381.56 × 8,127.60
  4. Step 4: Simplify right side
    22,917.40x = 279,439,567.06
  5. Step 5: Solve for x
    x = 279,439,567.06/22,917.40
  6. Step 6: Final answer
    x = 12,193.34

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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.