Home / 10,541.64-15,814.80-3,146.76

Finding the Fourth Proportional to 10,541.64, 15,814.80 and 3,146.76

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Solution

The fourth proportional to 10,541.64, 15,814.80 and 3,146.76 is: 4,720.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,541.64 : 15,814.80 = 3,146.76 : x
  2. Step 2: Convert to fraction form
    10,541.64/15,814.80 = 3,146.76/x
  3. Step 3: Cross multiply
    10,541.64x = 15,814.80 × 3,146.76
  4. Step 4: Simplify right side
    10,541.64x = 49,765,380.05
  5. Step 5: Solve for x
    x = 49,765,380.05/10,541.64
  6. Step 6: Final answer
    x = 4,720.84

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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.