Home / 15,262.52-21,061.96-8,456.36

Finding the Fourth Proportional to 15,262.52, 21,061.96 and 8,456.36

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Solution

The fourth proportional to 15,262.52, 21,061.96 and 8,456.36 is: 11,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,262.52 : 21,061.96 = 8,456.36 : x
  2. Step 2: Convert to fraction form
    15,262.52/21,061.96 = 8,456.36/x
  3. Step 3: Cross multiply
    15,262.52x = 21,061.96 × 8,456.36
  4. Step 4: Simplify right side
    15,262.52x = 178,107,516.07
  5. Step 5: Solve for x
    x = 178,107,516.07/15,262.52
  6. Step 6: Final answer
    x = 11,669.60

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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.