Home / 10,984.94-15,161.95-6,271.95

Finding the Fourth Proportional to 10,984.94, 15,161.95 and 6,271.95

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Solution

The fourth proportional to 10,984.94, 15,161.95 and 6,271.95 is: 8,656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,984.94 : 15,161.95 = 6,271.95 : x
  2. Step 2: Convert to fraction form
    10,984.94/15,161.95 = 6,271.95/x
  3. Step 3: Cross multiply
    10,984.94x = 15,161.95 × 6,271.95
  4. Step 4: Simplify right side
    10,984.94x = 95,094,992.30
  5. Step 5: Solve for x
    x = 95,094,992.30/10,984.94
  6. Step 6: Final answer
    x = 8,656.85

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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.