Home / 21,699.48-32,536.80-9,998.04

Finding the Fourth Proportional to 21,699.48, 32,536.80 and 9,998.04

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Solution

The fourth proportional to 21,699.48, 32,536.80 and 9,998.04 is: 14,991.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,699.48 : 32,536.80 = 9,998.04 : x
  2. Step 2: Convert to fraction form
    21,699.48/32,536.80 = 9,998.04/x
  3. Step 3: Cross multiply
    21,699.48x = 32,536.80 × 9,998.04
  4. Step 4: Simplify right side
    21,699.48x = 325,304,227.87
  5. Step 5: Solve for x
    x = 325,304,227.87/21,699.48
  6. Step 6: Final answer
    x = 14,991.34

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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.