Home / 10,192.32-15,288.57-3,618.77

Finding the Fourth Proportional to 10,192.32, 15,288.57 and 3,618.77

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Solution

The fourth proportional to 10,192.32, 15,288.57 and 3,618.77 is: 5,428.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,192.32 : 15,288.57 = 3,618.77 : x
  2. Step 2: Convert to fraction form
    10,192.32/15,288.57 = 3,618.77/x
  3. Step 3: Cross multiply
    10,192.32x = 15,288.57 × 3,618.77
  4. Step 4: Simplify right side
    10,192.32x = 55,325,742.02
  5. Step 5: Solve for x
    x = 55,325,742.02/10,192.32
  6. Step 6: Final answer
    x = 5,428.18

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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.