Home / 10,491-15,736.51-3,471.02

Finding the Fourth Proportional to 10,491, 15,736.51 and 3,471.02

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Solution

The fourth proportional to 10,491, 15,736.51 and 3,471.02 is: 5,206.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,491 : 15,736.51 = 3,471.02 : x
  2. Step 2: Convert to fraction form
    10,491/15,736.51 = 3,471.02/x
  3. Step 3: Cross multiply
    10,491x = 15,736.51 × 3,471.02
  4. Step 4: Simplify right side
    10,491x = 54,621,653.58
  5. Step 5: Solve for x
    x = 54,621,653.58/10,491
  6. Step 6: Final answer
    x = 5,206.52

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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.