Home / 9,995.20-13,792.40-5,803.04

Finding the Fourth Proportional to 9,995.20, 13,792.40 and 5,803.04

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Solution

The fourth proportional to 9,995.20, 13,792.40 and 5,803.04 is: 8,007.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.20 : 13,792.40 = 5,803.04 : x
  2. Step 2: Convert to fraction form
    9,995.20/13,792.40 = 5,803.04/x
  3. Step 3: Cross multiply
    9,995.20x = 13,792.40 × 5,803.04
  4. Step 4: Simplify right side
    9,995.20x = 80,037,848.90
  5. Step 5: Solve for x
    x = 80,037,848.90/9,995.20
  6. Step 6: Final answer
    x = 8,007.63

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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.