Home / 11,095.41-15,310.98-6,379.74

Finding the Fourth Proportional to 11,095.41, 15,310.98 and 6,379.74

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Solution

The fourth proportional to 11,095.41, 15,310.98 and 6,379.74 is: 8,803.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,095.41 : 15,310.98 = 6,379.74 : x
  2. Step 2: Convert to fraction form
    11,095.41/15,310.98 = 6,379.74/x
  3. Step 3: Cross multiply
    11,095.41x = 15,310.98 × 6,379.74
  4. Step 4: Simplify right side
    11,095.41x = 97,680,071.55
  5. Step 5: Solve for x
    x = 97,680,071.55/11,095.41
  6. Step 6: Final answer
    x = 8,803.65

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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.