Home / 11,068.28-15,274.50-6,288.11

Finding the Fourth Proportional to 11,068.28, 15,274.50 and 6,288.11

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Solution

The fourth proportional to 11,068.28, 15,274.50 and 6,288.11 is: 8,677.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,068.28 : 15,274.50 = 6,288.11 : x
  2. Step 2: Convert to fraction form
    11,068.28/15,274.50 = 6,288.11/x
  3. Step 3: Cross multiply
    11,068.28x = 15,274.50 × 6,288.11
  4. Step 4: Simplify right side
    11,068.28x = 96,047,736.20
  5. Step 5: Solve for x
    x = 96,047,736.20/11,068.28
  6. Step 6: Final answer
    x = 8,677.75

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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.