Home / 9,939.42-14,905.44-2,917.50

Finding the Fourth Proportional to 9,939.42, 14,905.44 and 2,917.50

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Solution

The fourth proportional to 9,939.42, 14,905.44 and 2,917.50 is: 4,375.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.42 : 14,905.44 = 2,917.50 : x
  2. Step 2: Convert to fraction form
    9,939.42/14,905.44 = 2,917.50/x
  3. Step 3: Cross multiply
    9,939.42x = 14,905.44 × 2,917.50
  4. Step 4: Simplify right side
    9,939.42x = 43,486,621.20
  5. Step 5: Solve for x
    x = 43,486,621.20/9,939.42
  6. Step 6: Final answer
    x = 4,375.17

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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.