Home / 13,630.83-20,443.95-4,396.83

Finding the Fourth Proportional to 13,630.83, 20,443.95 and 4,396.83

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Solution

The fourth proportional to 13,630.83, 20,443.95 and 4,396.83 is: 6,594.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,630.83 : 20,443.95 = 4,396.83 : x
  2. Step 2: Convert to fraction form
    13,630.83/20,443.95 = 4,396.83/x
  3. Step 3: Cross multiply
    13,630.83x = 20,443.95 × 4,396.83
  4. Step 4: Simplify right side
    13,630.83x = 89,888,572.68
  5. Step 5: Solve for x
    x = 89,888,572.68/13,630.83
  6. Step 6: Final answer
    x = 6,594.50

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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.