Home / 9,905.94-13,669.78-5,924.70

Finding the Fourth Proportional to 9,905.94, 13,669.78 and 5,924.70

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Solution

The fourth proportional to 9,905.94, 13,669.78 and 5,924.70 is: 8,175.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.94 : 13,669.78 = 5,924.70 : x
  2. Step 2: Convert to fraction form
    9,905.94/13,669.78 = 5,924.70/x
  3. Step 3: Cross multiply
    9,905.94x = 13,669.78 × 5,924.70
  4. Step 4: Simplify right side
    9,905.94x = 80,989,345.57
  5. Step 5: Solve for x
    x = 80,989,345.57/9,905.94
  6. Step 6: Final answer
    x = 8,175.84

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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.