Home / 10,939.24-15,095.19-6,463.18

Finding the Fourth Proportional to 10,939.24, 15,095.19 and 6,463.18

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Solution

The fourth proportional to 10,939.24, 15,095.19 and 6,463.18 is: 8,918.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.24 : 15,095.19 = 6,463.18 : x
  2. Step 2: Convert to fraction form
    10,939.24/15,095.19 = 6,463.18/x
  3. Step 3: Cross multiply
    10,939.24x = 15,095.19 × 6,463.18
  4. Step 4: Simplify right side
    10,939.24x = 97,562,930.10
  5. Step 5: Solve for x
    x = 97,562,930.10/10,939.24
  6. Step 6: Final answer
    x = 8,918.62

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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.