Home / 10,451.10-15,682.02-6,943.56

Finding the Fourth Proportional to 10,451.10, 15,682.02 and 6,943.56

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Solution

The fourth proportional to 10,451.10, 15,682.02 and 6,943.56 is: 10,418.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,451.10 : 15,682.02 = 6,943.56 : x
  2. Step 2: Convert to fraction form
    10,451.10/15,682.02 = 6,943.56/x
  3. Step 3: Cross multiply
    10,451.10x = 15,682.02 × 6,943.56
  4. Step 4: Simplify right side
    10,451.10x = 108,889,046.79
  5. Step 5: Solve for x
    x = 108,889,046.79/10,451.10
  6. Step 6: Final answer
    x = 10,418.91

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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.