Home / 21,341.63-32,012.42-11,859.97

Finding the Fourth Proportional to 21,341.63, 32,012.42 and 11,859.97

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Solution

The fourth proportional to 21,341.63, 32,012.42 and 11,859.97 is: 17,789.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,341.63 : 32,012.42 = 11,859.97 : x
  2. Step 2: Convert to fraction form
    21,341.63/32,012.42 = 11,859.97/x
  3. Step 3: Cross multiply
    21,341.63x = 32,012.42 × 11,859.97
  4. Step 4: Simplify right side
    21,341.63x = 379,666,261.52
  5. Step 5: Solve for x
    x = 379,666,261.52/21,341.63
  6. Step 6: Final answer
    x = 17,789.94

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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.