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Finding the Fourth Proportional to 8,807.82, 13,186.10 and 6,854.10

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Solution

The fourth proportional to 8,807.82, 13,186.10 and 6,854.10 is: 10,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.82 : 13,186.10 = 6,854.10 : x
  2. Step 2: Convert to fraction form
    8,807.82/13,186.10 = 6,854.10/x
  3. Step 3: Cross multiply
    8,807.82x = 13,186.10 × 6,854.10
  4. Step 4: Simplify right side
    8,807.82x = 90,378,848.01
  5. Step 5: Solve for x
    x = 90,378,848.01/8,807.82
  6. Step 6: Final answer
    x = 10,261.21

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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.