Home / 8,756.62-13,106.17-6,665.34

Finding the Fourth Proportional to 8,756.62, 13,106.17 and 6,665.34

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Solution

The fourth proportional to 8,756.62, 13,106.17 and 6,665.34 is: 9,976.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.62 : 13,106.17 = 6,665.34 : x
  2. Step 2: Convert to fraction form
    8,756.62/13,106.17 = 6,665.34/x
  3. Step 3: Cross multiply
    8,756.62x = 13,106.17 × 6,665.34
  4. Step 4: Simplify right side
    8,756.62x = 87,357,079.15
  5. Step 5: Solve for x
    x = 87,357,079.15/8,756.62
  6. Step 6: Final answer
    x = 9,976.12

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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.