Home / 13,336.96-20,006.40-4,572.80

Finding the Fourth Proportional to 13,336.96, 20,006.40 and 4,572.80

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Solution

The fourth proportional to 13,336.96, 20,006.40 and 4,572.80 is: 6,859.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.96 : 20,006.40 = 4,572.80 : x
  2. Step 2: Convert to fraction form
    13,336.96/20,006.40 = 4,572.80/x
  3. Step 3: Cross multiply
    13,336.96x = 20,006.40 × 4,572.80
  4. Step 4: Simplify right side
    13,336.96x = 91,485,265.92
  5. Step 5: Solve for x
    x = 91,485,265.92/13,336.96
  6. Step 6: Final answer
    x = 6,859.53

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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.