Home / 8,666.14-13,011.36-5,369.44

Finding the Fourth Proportional to 8,666.14, 13,011.36 and 5,369.44

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Solution

The fourth proportional to 8,666.14, 13,011.36 and 5,369.44 is: 8,061.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.14 : 13,011.36 = 5,369.44 : x
  2. Step 2: Convert to fraction form
    8,666.14/13,011.36 = 5,369.44/x
  3. Step 3: Cross multiply
    8,666.14x = 13,011.36 × 5,369.44
  4. Step 4: Simplify right side
    8,666.14x = 69,863,716.84
  5. Step 5: Solve for x
    x = 69,863,716.84/8,666.14
  6. Step 6: Final answer
    x = 8,061.69

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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.