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Finding the Fourth Proportional to 17,793.33, 26,698.29 and 7,931.58

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Solution

The fourth proportional to 17,793.33, 26,698.29 and 7,931.58 is: 11,901.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,793.33 : 26,698.29 = 7,931.58 : x
  2. Step 2: Convert to fraction form
    17,793.33/26,698.29 = 7,931.58/x
  3. Step 3: Cross multiply
    17,793.33x = 26,698.29 × 7,931.58
  4. Step 4: Simplify right side
    17,793.33x = 211,759,623.00
  5. Step 5: Solve for x
    x = 211,759,623.00/17,793.33
  6. Step 6: Final answer
    x = 11,901.07

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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.