Home / 10,851.06-16,276.86-3,455.40

Finding the Fourth Proportional to 10,851.06, 16,276.86 and 3,455.40

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Solution

The fourth proportional to 10,851.06, 16,276.86 and 3,455.40 is: 5,183.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.06 : 16,276.86 = 3,455.40 : x
  2. Step 2: Convert to fraction form
    10,851.06/16,276.86 = 3,455.40/x
  3. Step 3: Cross multiply
    10,851.06x = 16,276.86 × 3,455.40
  4. Step 4: Simplify right side
    10,851.06x = 56,243,062.04
  5. Step 5: Solve for x
    x = 56,243,062.04/10,851.06
  6. Step 6: Final answer
    x = 5,183.19

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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.