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Finding the Fourth Proportional to 17,798.94, 26,705.78 and 7,798.52

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Solution

The fourth proportional to 17,798.94, 26,705.78 and 7,798.52 is: 11,701.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,798.94 : 26,705.78 = 7,798.52 : x
  2. Step 2: Convert to fraction form
    17,798.94/26,705.78 = 7,798.52/x
  3. Step 3: Cross multiply
    17,798.94x = 26,705.78 × 7,798.52
  4. Step 4: Simplify right side
    17,798.94x = 208,265,519.42
  5. Step 5: Solve for x
    x = 208,265,519.42/17,798.94
  6. Step 6: Final answer
    x = 11,701.01

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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.