Home / 21,791.28-32,663.82-9,301.08

Finding the Fourth Proportional to 21,791.28, 32,663.82 and 9,301.08

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Solution

The fourth proportional to 21,791.28, 32,663.82 and 9,301.08 is: 13,941.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,791.28 : 32,663.82 = 9,301.08 : x
  2. Step 2: Convert to fraction form
    21,791.28/32,663.82 = 9,301.08/x
  3. Step 3: Cross multiply
    21,791.28x = 32,663.82 × 9,301.08
  4. Step 4: Simplify right side
    21,791.28x = 303,808,802.93
  5. Step 5: Solve for x
    x = 303,808,802.93/21,791.28
  6. Step 6: Final answer
    x = 13,941.76

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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.