Home / 14,594.91-20,140.25-8,222.55

Finding the Fourth Proportional to 14,594.91, 20,140.25 and 8,222.55

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Solution

The fourth proportional to 14,594.91, 20,140.25 and 8,222.55 is: 11,346.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,594.91 : 20,140.25 = 8,222.55 : x
  2. Step 2: Convert to fraction form
    14,594.91/20,140.25 = 8,222.55/x
  3. Step 3: Cross multiply
    14,594.91x = 20,140.25 × 8,222.55
  4. Step 4: Simplify right side
    14,594.91x = 165,604,171.52
  5. Step 5: Solve for x
    x = 165,604,171.52/14,594.91
  6. Step 6: Final answer
    x = 11,346.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.