Home / 11,492.28-17,243.69-6,821.55

Finding the Fourth Proportional to 11,492.28, 17,243.69 and 6,821.55

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Solution

The fourth proportional to 11,492.28, 17,243.69 and 6,821.55 is: 10,235.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,492.28 : 17,243.69 = 6,821.55 : x
  2. Step 2: Convert to fraction form
    11,492.28/17,243.69 = 6,821.55/x
  3. Step 3: Cross multiply
    11,492.28x = 17,243.69 × 6,821.55
  4. Step 4: Simplify right side
    11,492.28x = 117,628,659.41
  5. Step 5: Solve for x
    x = 117,628,659.41/11,492.28
  6. Step 6: Final answer
    x = 10,235.45

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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.