Home / 10,455.95-15,684.02-2,664.76

Finding the Fourth Proportional to 10,455.95, 15,684.02 and 2,664.76

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Solution

The fourth proportional to 10,455.95, 15,684.02 and 2,664.76 is: 3,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.95 : 15,684.02 = 2,664.76 : x
  2. Step 2: Convert to fraction form
    10,455.95/15,684.02 = 2,664.76/x
  3. Step 3: Cross multiply
    10,455.95x = 15,684.02 × 2,664.76
  4. Step 4: Simplify right side
    10,455.95x = 41,794,149.14
  5. Step 5: Solve for x
    x = 41,794,149.14/10,455.95
  6. Step 6: Final answer
    x = 3,997.16

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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.