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Finding the Fourth Proportional to 8,605.34, 11,873.93 and 5,069.26

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Solution

The fourth proportional to 8,605.34, 11,873.93 and 5,069.26 is: 6,994.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,605.34 : 11,873.93 = 5,069.26 : x
  2. Step 2: Convert to fraction form
    8,605.34/11,873.93 = 5,069.26/x
  3. Step 3: Cross multiply
    8,605.34x = 11,873.93 × 5,069.26
  4. Step 4: Simplify right side
    8,605.34x = 60,192,038.39
  5. Step 5: Solve for x
    x = 60,192,038.39/8,605.34
  6. Step 6: Final answer
    x = 6,994.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.