Home / 13,336.92-20,005.40-9,876.60

Finding the Fourth Proportional to 13,336.92, 20,005.40 and 9,876.60

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Solution

The fourth proportional to 13,336.92, 20,005.40 and 9,876.60 is: 14,814.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.92 : 20,005.40 = 9,876.60 : x
  2. Step 2: Convert to fraction form
    13,336.92/20,005.40 = 9,876.60/x
  3. Step 3: Cross multiply
    13,336.92x = 20,005.40 × 9,876.60
  4. Step 4: Simplify right side
    13,336.92x = 197,585,333.64
  5. Step 5: Solve for x
    x = 197,585,333.64/13,336.92
  6. Step 6: Final answer
    x = 14,814.91

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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.