Home / 20,392.15-30,584.56-5,599.12

Finding the Fourth Proportional to 20,392.15, 30,584.56 and 5,599.12

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Solution

The fourth proportional to 20,392.15, 30,584.56 and 5,599.12 is: 8,397.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,392.15 : 30,584.56 = 5,599.12 : x
  2. Step 2: Convert to fraction form
    20,392.15/30,584.56 = 5,599.12/x
  3. Step 3: Cross multiply
    20,392.15x = 30,584.56 × 5,599.12
  4. Step 4: Simplify right side
    20,392.15x = 171,246,621.59
  5. Step 5: Solve for x
    x = 171,246,621.59/20,392.15
  6. Step 6: Final answer
    x = 8,397.67

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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.