Home / 11,528.02-15,908.86-6,812.28

Finding the Fourth Proportional to 11,528.02, 15,908.86 and 6,812.28

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Solution

The fourth proportional to 11,528.02, 15,908.86 and 6,812.28 is: 9,401.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528.02 : 15,908.86 = 6,812.28 : x
  2. Step 2: Convert to fraction form
    11,528.02/15,908.86 = 6,812.28/x
  3. Step 3: Cross multiply
    11,528.02x = 15,908.86 × 6,812.28
  4. Step 4: Simplify right side
    11,528.02x = 108,375,608.80
  5. Step 5: Solve for x
    x = 108,375,608.80/11,528.02
  6. Step 6: Final answer
    x = 9,401.06

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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.