Home / 10,341.38-15,507.26-3,320.10

Finding the Fourth Proportional to 10,341.38, 15,507.26 and 3,320.10

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Solution

The fourth proportional to 10,341.38, 15,507.26 and 3,320.10 is: 4,978.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,341.38 : 15,507.26 = 3,320.10 : x
  2. Step 2: Convert to fraction form
    10,341.38/15,507.26 = 3,320.10/x
  3. Step 3: Cross multiply
    10,341.38x = 15,507.26 × 3,320.10
  4. Step 4: Simplify right side
    10,341.38x = 51,485,653.93
  5. Step 5: Solve for x
    x = 51,485,653.93/10,341.38
  6. Step 6: Final answer
    x = 4,978.61

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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.