Home / 11,917.37-16,446.41-7,200.74

Finding the Fourth Proportional to 11,917.37, 16,446.41 and 7,200.74

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Solution

The fourth proportional to 11,917.37, 16,446.41 and 7,200.74 is: 9,937.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.37 : 16,446.41 = 7,200.74 : x
  2. Step 2: Convert to fraction form
    11,917.37/16,446.41 = 7,200.74/x
  3. Step 3: Cross multiply
    11,917.37x = 16,446.41 × 7,200.74
  4. Step 4: Simplify right side
    11,917.37x = 118,426,322.34
  5. Step 5: Solve for x
    x = 118,426,322.34/11,917.37
  6. Step 6: Final answer
    x = 9,937.29

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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.