Home / 8,012.35-12,011.20-3,567.68

Finding the Fourth Proportional to 8,012.35, 12,011.20 and 3,567.68

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Solution

The fourth proportional to 8,012.35, 12,011.20 and 3,567.68 is: 5,348.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.35 : 12,011.20 = 3,567.68 : x
  2. Step 2: Convert to fraction form
    8,012.35/12,011.20 = 3,567.68/x
  3. Step 3: Cross multiply
    8,012.35x = 12,011.20 × 3,567.68
  4. Step 4: Simplify right side
    8,012.35x = 42,852,040.12
  5. Step 5: Solve for x
    x = 42,852,040.12/8,012.35
  6. Step 6: Final answer
    x = 5,348.25

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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.