Home / 10,006.66-15,009.99-3,081.16

Finding the Fourth Proportional to 10,006.66, 15,009.99 and 3,081.16

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Solution

The fourth proportional to 10,006.66, 15,009.99 and 3,081.16 is: 4,621.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006.66 : 15,009.99 = 3,081.16 : x
  2. Step 2: Convert to fraction form
    10,006.66/15,009.99 = 3,081.16/x
  3. Step 3: Cross multiply
    10,006.66x = 15,009.99 × 3,081.16
  4. Step 4: Simplify right side
    10,006.66x = 46,248,090.33
  5. Step 5: Solve for x
    x = 46,248,090.33/10,006.66
  6. Step 6: Final answer
    x = 4,621.73

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.