Home / 11,097.08-15,311.94-6,316.74

Finding the Fourth Proportional to 11,097.08, 15,311.94 and 6,316.74

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Solution

The fourth proportional to 11,097.08, 15,311.94 and 6,316.74 is: 8,715.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,097.08 : 15,311.94 = 6,316.74 : x
  2. Step 2: Convert to fraction form
    11,097.08/15,311.94 = 6,316.74/x
  3. Step 3: Cross multiply
    11,097.08x = 15,311.94 × 6,316.74
  4. Step 4: Simplify right side
    11,097.08x = 96,721,543.88
  5. Step 5: Solve for x
    x = 96,721,543.88/11,097.08
  6. Step 6: Final answer
    x = 8,715.95

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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.