Home / 10,435.66-15,653.46-3,515.02

Finding the Fourth Proportional to 10,435.66, 15,653.46 and 3,515.02

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Solution

The fourth proportional to 10,435.66, 15,653.46 and 3,515.02 is: 5,272.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.66 : 15,653.46 = 3,515.02 : x
  2. Step 2: Convert to fraction form
    10,435.66/15,653.46 = 3,515.02/x
  3. Step 3: Cross multiply
    10,435.66x = 15,653.46 × 3,515.02
  4. Step 4: Simplify right side
    10,435.66x = 55,022,224.97
  5. Step 5: Solve for x
    x = 55,022,224.97/10,435.66
  6. Step 6: Final answer
    x = 5,272.52

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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.