Home / 21,608.25-32,360.13-10,487.36

Finding the Fourth Proportional to 21,608.25, 32,360.13 and 10,487.36

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Solution

The fourth proportional to 21,608.25, 32,360.13 and 10,487.36 is: 15,705.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,608.25 : 32,360.13 = 10,487.36 : x
  2. Step 2: Convert to fraction form
    21,608.25/32,360.13 = 10,487.36/x
  3. Step 3: Cross multiply
    21,608.25x = 32,360.13 × 10,487.36
  4. Step 4: Simplify right side
    21,608.25x = 339,372,171.16
  5. Step 5: Solve for x
    x = 339,372,171.16/21,608.25
  6. Step 6: Final answer
    x = 15,705.68

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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.