Home / 10,919.45-15,068.82-5,951.45

Finding the Fourth Proportional to 10,919.45, 15,068.82 and 5,951.45

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Solution

The fourth proportional to 10,919.45, 15,068.82 and 5,951.45 is: 8,212.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.45 : 15,068.82 = 5,951.45 : x
  2. Step 2: Convert to fraction form
    10,919.45/15,068.82 = 5,951.45/x
  3. Step 3: Cross multiply
    10,919.45x = 15,068.82 × 5,951.45
  4. Step 4: Simplify right side
    10,919.45x = 89,681,253.44
  5. Step 5: Solve for x
    x = 89,681,253.44/10,919.45
  6. Step 6: Final answer
    x = 8,212.99

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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.