Home / 9,832.84-13,568.50-5,640.20

Finding the Fourth Proportional to 9,832.84, 13,568.50 and 5,640.20

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Solution

The fourth proportional to 9,832.84, 13,568.50 and 5,640.20 is: 7,783.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,832.84 : 13,568.50 = 5,640.20 : x
  2. Step 2: Convert to fraction form
    9,832.84/13,568.50 = 5,640.20/x
  3. Step 3: Cross multiply
    9,832.84x = 13,568.50 × 5,640.20
  4. Step 4: Simplify right side
    9,832.84x = 76,529,053.70
  5. Step 5: Solve for x
    x = 76,529,053.70/9,832.84
  6. Step 6: Final answer
    x = 7,783.01

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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.