Home / 8,011.86-12,043.62-7,429.56

Finding the Fourth Proportional to 8,011.86, 12,043.62 and 7,429.56

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Solution

The fourth proportional to 8,011.86, 12,043.62 and 7,429.56 is: 11,168.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.86 : 12,043.62 = 7,429.56 : x
  2. Step 2: Convert to fraction form
    8,011.86/12,043.62 = 7,429.56/x
  3. Step 3: Cross multiply
    8,011.86x = 12,043.62 × 7,429.56
  4. Step 4: Simplify right side
    8,011.86x = 89,478,797.41
  5. Step 5: Solve for x
    x = 89,478,797.41/8,011.86
  6. Step 6: Final answer
    x = 11,168.29

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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.