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Finding the Fourth Proportional to 17,959.50, 26,937.18 and 6,865.94

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Solution

The fourth proportional to 17,959.50, 26,937.18 and 6,865.94 is: 10,298.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,959.50 : 26,937.18 = 6,865.94 : x
  2. Step 2: Convert to fraction form
    17,959.50/26,937.18 = 6,865.94/x
  3. Step 3: Cross multiply
    17,959.50x = 26,937.18 × 6,865.94
  4. Step 4: Simplify right side
    17,959.50x = 184,948,926.96
  5. Step 5: Solve for x
    x = 184,948,926.96/17,959.50
  6. Step 6: Final answer
    x = 10,298.11

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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.