Home / 10,080.45-15,125.13-3,511.35

Finding the Fourth Proportional to 10,080.45, 15,125.13 and 3,511.35

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Solution

The fourth proportional to 10,080.45, 15,125.13 and 3,511.35 is: 5,268.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.45 : 15,125.13 = 3,511.35 : x
  2. Step 2: Convert to fraction form
    10,080.45/15,125.13 = 3,511.35/x
  3. Step 3: Cross multiply
    10,080.45x = 15,125.13 × 3,511.35
  4. Step 4: Simplify right side
    10,080.45x = 53,109,625.23
  5. Step 5: Solve for x
    x = 53,109,625.23/10,080.45
  6. Step 6: Final answer
    x = 5,268.58

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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.