Home / 10,155.26-15,231.35-3,492.77

Finding the Fourth Proportional to 10,155.26, 15,231.35 and 3,492.77

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Solution

The fourth proportional to 10,155.26, 15,231.35 and 3,492.77 is: 5,238.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,155.26 : 15,231.35 = 3,492.77 : x
  2. Step 2: Convert to fraction form
    10,155.26/15,231.35 = 3,492.77/x
  3. Step 3: Cross multiply
    10,155.26x = 15,231.35 × 3,492.77
  4. Step 4: Simplify right side
    10,155.26x = 53,199,649.15
  5. Step 5: Solve for x
    x = 53,199,649.15/10,155.26
  6. Step 6: Final answer
    x = 5,238.63

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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.