Home / 10,334.64-15,499.62-2,938.92

Finding the Fourth Proportional to 10,334.64, 15,499.62 and 2,938.92

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Solution

The fourth proportional to 10,334.64, 15,499.62 and 2,938.92 is: 4,407.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,334.64 : 15,499.62 = 2,938.92 : x
  2. Step 2: Convert to fraction form
    10,334.64/15,499.62 = 2,938.92/x
  3. Step 3: Cross multiply
    10,334.64x = 15,499.62 × 2,938.92
  4. Step 4: Simplify right side
    10,334.64x = 45,552,143.21
  5. Step 5: Solve for x
    x = 45,552,143.21/10,334.64
  6. Step 6: Final answer
    x = 4,407.71

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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.