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Finding the Fourth Proportional to 8,548.81, 12,807.81 and 8,034.16

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Solution

The fourth proportional to 8,548.81, 12,807.81 and 8,034.16 is: 12,036.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548.81 : 12,807.81 = 8,034.16 : x
  2. Step 2: Convert to fraction form
    8,548.81/12,807.81 = 8,034.16/x
  3. Step 3: Cross multiply
    8,548.81x = 12,807.81 × 8,034.16
  4. Step 4: Simplify right side
    8,548.81x = 102,899,994.79
  5. Step 5: Solve for x
    x = 102,899,994.79/8,548.81
  6. Step 6: Final answer
    x = 12,036.76

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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.