Home / 11,095.07-15,311.90-6,379.25

Finding the Fourth Proportional to 11,095.07, 15,311.90 and 6,379.25

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Solution

The fourth proportional to 11,095.07, 15,311.90 and 6,379.25 is: 8,803.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,095.07 : 15,311.90 = 6,379.25 : x
  2. Step 2: Convert to fraction form
    11,095.07/15,311.90 = 6,379.25/x
  3. Step 3: Cross multiply
    11,095.07x = 15,311.90 × 6,379.25
  4. Step 4: Simplify right side
    11,095.07x = 97,678,377.46
  5. Step 5: Solve for x
    x = 97,678,377.46/11,095.07
  6. Step 6: Final answer
    x = 8,803.77

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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.