Home / 10,083.65-15,126.19-2,688.07

Finding the Fourth Proportional to 10,083.65, 15,126.19 and 2,688.07

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Solution

The fourth proportional to 10,083.65, 15,126.19 and 2,688.07 is: 4,032.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083.65 : 15,126.19 = 2,688.07 : x
  2. Step 2: Convert to fraction form
    10,083.65/15,126.19 = 2,688.07/x
  3. Step 3: Cross multiply
    10,083.65x = 15,126.19 × 2,688.07
  4. Step 4: Simplify right side
    10,083.65x = 40,660,181.92
  5. Step 5: Solve for x
    x = 40,660,181.92/10,083.65
  6. Step 6: Final answer
    x = 4,032.29

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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.