Home / 10,644.08-15,949.65-7,313.92

Finding the Fourth Proportional to 10,644.08, 15,949.65 and 7,313.92

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Solution

The fourth proportional to 10,644.08, 15,949.65 and 7,313.92 is: 10,959.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.08 : 15,949.65 = 7,313.92 : x
  2. Step 2: Convert to fraction form
    10,644.08/15,949.65 = 7,313.92/x
  3. Step 3: Cross multiply
    10,644.08x = 15,949.65 × 7,313.92
  4. Step 4: Simplify right side
    10,644.08x = 116,654,464.13
  5. Step 5: Solve for x
    x = 116,654,464.13/10,644.08
  6. Step 6: Final answer
    x = 10,959.56

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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.