Home / 21,743.64-32,614.38-11,902.14

Finding the Fourth Proportional to 21,743.64, 32,614.38 and 11,902.14

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Solution

The fourth proportional to 21,743.64, 32,614.38 and 11,902.14 is: 17,852.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,743.64 : 32,614.38 = 11,902.14 : x
  2. Step 2: Convert to fraction form
    21,743.64/32,614.38 = 11,902.14/x
  3. Step 3: Cross multiply
    21,743.64x = 32,614.38 × 11,902.14
  4. Step 4: Simplify right side
    21,743.64x = 388,180,916.77
  5. Step 5: Solve for x
    x = 388,180,916.77/21,743.64
  6. Step 6: Final answer
    x = 17,852.62

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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.