Home / 21,332.03-31,991.09-10,086.26

Finding the Fourth Proportional to 21,332.03, 31,991.09 and 10,086.26

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Solution

The fourth proportional to 21,332.03, 31,991.09 and 10,086.26 is: 15,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,332.03 : 31,991.09 = 10,086.26 : x
  2. Step 2: Convert to fraction form
    21,332.03/31,991.09 = 10,086.26/x
  3. Step 3: Cross multiply
    21,332.03x = 31,991.09 × 10,086.26
  4. Step 4: Simplify right side
    21,332.03x = 322,670,241.04
  5. Step 5: Solve for x
    x = 322,670,241.04/21,332.03
  6. Step 6: Final answer
    x = 15,126.10

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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.