Home / 12,476.57-18,717.55-5,808.11

Finding the Fourth Proportional to 12,476.57, 18,717.55 and 5,808.11

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Solution

The fourth proportional to 12,476.57, 18,717.55 and 5,808.11 is: 8,713.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.57 : 18,717.55 = 5,808.11 : x
  2. Step 2: Convert to fraction form
    12,476.57/18,717.55 = 5,808.11/x
  3. Step 3: Cross multiply
    12,476.57x = 18,717.55 × 5,808.11
  4. Step 4: Simplify right side
    12,476.57x = 108,713,481.22
  5. Step 5: Solve for x
    x = 108,713,481.22/12,476.57
  6. Step 6: Final answer
    x = 8,713.41

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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.