Home / 14,133.60-21,207.78-6,736.68

Finding the Fourth Proportional to 14,133.60, 21,207.78 and 6,736.68

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Solution

The fourth proportional to 14,133.60, 21,207.78 and 6,736.68 is: 10,108.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133.60 : 21,207.78 = 6,736.68 : x
  2. Step 2: Convert to fraction form
    14,133.60/21,207.78 = 6,736.68/x
  3. Step 3: Cross multiply
    14,133.60x = 21,207.78 × 6,736.68
  4. Step 4: Simplify right side
    14,133.60x = 142,870,027.37
  5. Step 5: Solve for x
    x = 142,870,027.37/14,133.60
  6. Step 6: Final answer
    x = 10,108.54

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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.