Home / 12,476.82-18,712.71-4,576.65

Finding the Fourth Proportional to 12,476.82, 18,712.71 and 4,576.65

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Solution

The fourth proportional to 12,476.82, 18,712.71 and 4,576.65 is: 6,864.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.82 : 18,712.71 = 4,576.65 : x
  2. Step 2: Convert to fraction form
    12,476.82/18,712.71 = 4,576.65/x
  3. Step 3: Cross multiply
    12,476.82x = 18,712.71 × 4,576.65
  4. Step 4: Simplify right side
    12,476.82x = 85,641,501.34
  5. Step 5: Solve for x
    x = 85,641,501.34/12,476.82
  6. Step 6: Final answer
    x = 6,864.05

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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.