Home / 10,192.28-15,263.73-5,181.48

Finding the Fourth Proportional to 10,192.28, 15,263.73 and 5,181.48

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Solution

The fourth proportional to 10,192.28, 15,263.73 and 5,181.48 is: 7,759.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,192.28 : 15,263.73 = 5,181.48 : x
  2. Step 2: Convert to fraction form
    10,192.28/15,263.73 = 5,181.48/x
  3. Step 3: Cross multiply
    10,192.28x = 15,263.73 × 5,181.48
  4. Step 4: Simplify right side
    10,192.28x = 79,088,711.72
  5. Step 5: Solve for x
    x = 79,088,711.72/10,192.28
  6. Step 6: Final answer
    x = 7,759.67

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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.