Home / 10,080.41-15,120.61-5,492.57

Finding the Fourth Proportional to 10,080.41, 15,120.61 and 5,492.57

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Solution

The fourth proportional to 10,080.41, 15,120.61 and 5,492.57 is: 8,238.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.41 : 15,120.61 = 5,492.57 : x
  2. Step 2: Convert to fraction form
    10,080.41/15,120.61 = 5,492.57/x
  3. Step 3: Cross multiply
    10,080.41x = 15,120.61 × 5,492.57
  4. Step 4: Simplify right side
    10,080.41x = 83,050,933.26
  5. Step 5: Solve for x
    x = 83,050,933.26/10,080.41
  6. Step 6: Final answer
    x = 8,238.85

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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.