Home / 13,337.45-20,004.08-8,391.95

Finding the Fourth Proportional to 13,337.45, 20,004.08 and 8,391.95

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Solution

The fourth proportional to 13,337.45, 20,004.08 and 8,391.95 is: 12,586.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.45 : 20,004.08 = 8,391.95 : x
  2. Step 2: Convert to fraction form
    13,337.45/20,004.08 = 8,391.95/x
  3. Step 3: Cross multiply
    13,337.45x = 20,004.08 × 8,391.95
  4. Step 4: Simplify right side
    13,337.45x = 167,873,197.20
  5. Step 5: Solve for x
    x = 167,873,197.20/13,337.45
  6. Step 6: Final answer
    x = 12,586.60

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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.