Home / 12,922.13-19,342.70-8,896.03

Finding the Fourth Proportional to 12,922.13, 19,342.70 and 8,896.03

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Solution

The fourth proportional to 12,922.13, 19,342.70 and 8,896.03 is: 13,316.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,922.13 : 19,342.70 = 8,896.03 : x
  2. Step 2: Convert to fraction form
    12,922.13/19,342.70 = 8,896.03/x
  3. Step 3: Cross multiply
    12,922.13x = 19,342.70 × 8,896.03
  4. Step 4: Simplify right side
    12,922.13x = 172,073,180.00
  5. Step 5: Solve for x
    x = 172,073,180.00/12,922.13
  6. Step 6: Final answer
    x = 13,316.16

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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.