Home / 10,095.92-15,137.40-6,629.12

Finding the Fourth Proportional to 10,095.92, 15,137.40 and 6,629.12

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Solution

The fourth proportional to 10,095.92, 15,137.40 and 6,629.12 is: 9,939.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,095.92 : 15,137.40 = 6,629.12 : x
  2. Step 2: Convert to fraction form
    10,095.92/15,137.40 = 6,629.12/x
  3. Step 3: Cross multiply
    10,095.92x = 15,137.40 × 6,629.12
  4. Step 4: Simplify right side
    10,095.92x = 100,347,641.09
  5. Step 5: Solve for x
    x = 100,347,641.09/10,095.92
  6. Step 6: Final answer
    x = 9,939.43

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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.