Home / 22,917.80-34,368.60-8,127.20

Finding the Fourth Proportional to 22,917.80, 34,368.60 and 8,127.20

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Solution

The fourth proportional to 22,917.80, 34,368.60 and 8,127.20 is: 12,187.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,917.80 : 34,368.60 = 8,127.20 : x
  2. Step 2: Convert to fraction form
    22,917.80/34,368.60 = 8,127.20/x
  3. Step 3: Cross multiply
    22,917.80x = 34,368.60 × 8,127.20
  4. Step 4: Simplify right side
    22,917.80x = 279,320,485.92
  5. Step 5: Solve for x
    x = 279,320,485.92/22,917.80
  6. Step 6: Final answer
    x = 12,187.93

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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.