Home / 13,882.24-19,152.48-8,215.68

Finding the Fourth Proportional to 13,882.24, 19,152.48 and 8,215.68

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Solution

The fourth proportional to 13,882.24, 19,152.48 and 8,215.68 is: 11,334.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882.24 : 19,152.48 = 8,215.68 : x
  2. Step 2: Convert to fraction form
    13,882.24/19,152.48 = 8,215.68/x
  3. Step 3: Cross multiply
    13,882.24x = 19,152.48 × 8,215.68
  4. Step 4: Simplify right side
    13,882.24x = 157,350,646.89
  5. Step 5: Solve for x
    x = 157,350,646.89/13,882.24
  6. Step 6: Final answer
    x = 11,334.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.