Home / 8,711.33-13,083.81-7,464.74

Finding the Fourth Proportional to 8,711.33, 13,083.81 and 7,464.74

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Solution

The fourth proportional to 8,711.33, 13,083.81 and 7,464.74 is: 11,211.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711.33 : 13,083.81 = 7,464.74 : x
  2. Step 2: Convert to fraction form
    8,711.33/13,083.81 = 7,464.74/x
  3. Step 3: Cross multiply
    8,711.33x = 13,083.81 × 7,464.74
  4. Step 4: Simplify right side
    8,711.33x = 97,667,272.57
  5. Step 5: Solve for x
    x = 97,667,272.57/8,711.33
  6. Step 6: Final answer
    x = 11,211.52

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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.