Home / 8,015.34-12,019.93-3,337.55

Finding the Fourth Proportional to 8,015.34, 12,019.93 and 3,337.55

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Solution

The fourth proportional to 8,015.34, 12,019.93 and 3,337.55 is: 5,005.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.34 : 12,019.93 = 3,337.55 : x
  2. Step 2: Convert to fraction form
    8,015.34/12,019.93 = 3,337.55/x
  3. Step 3: Cross multiply
    8,015.34x = 12,019.93 × 3,337.55
  4. Step 4: Simplify right side
    8,015.34x = 40,117,161.61
  5. Step 5: Solve for x
    x = 40,117,161.61/8,015.34
  6. Step 6: Final answer
    x = 5,005.05

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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.