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Finding the Fourth Proportional to 11,095, 15,311.10 and 6,127.32

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Solution

The fourth proportional to 11,095, 15,311.10 and 6,127.32 is: 8,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,095 : 15,311.10 = 6,127.32 : x
  2. Step 2: Convert to fraction form
    11,095/15,311.10 = 6,127.32/x
  3. Step 3: Cross multiply
    11,095x = 15,311.10 × 6,127.32
  4. Step 4: Simplify right side
    11,095x = 93,816,009.25
  5. Step 5: Solve for x
    x = 93,816,009.25/11,095
  6. Step 6: Final answer
    x = 8,455.70

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Double scale
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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.