Home / 13,825.20-19,092.36-8,798.88

Finding the Fourth Proportional to 13,825.20, 19,092.36 and 8,798.88

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Solution

The fourth proportional to 13,825.20, 19,092.36 and 8,798.88 is: 12,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825.20 : 19,092.36 = 8,798.88 : x
  2. Step 2: Convert to fraction form
    13,825.20/19,092.36 = 8,798.88/x
  3. Step 3: Cross multiply
    13,825.20x = 19,092.36 × 8,798.88
  4. Step 4: Simplify right side
    13,825.20x = 167,991,384.56
  5. Step 5: Solve for x
    x = 167,991,384.56/13,825.20
  6. Step 6: Final answer
    x = 12,151.10

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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.