Home / 21,524.47-29,703.74-11,964.06

Finding the Fourth Proportional to 21,524.47, 29,703.74 and 11,964.06

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Solution

The fourth proportional to 21,524.47, 29,703.74 and 11,964.06 is: 16,510.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,524.47 : 29,703.74 = 11,964.06 : x
  2. Step 2: Convert to fraction form
    21,524.47/29,703.74 = 11,964.06/x
  3. Step 3: Cross multiply
    21,524.47x = 29,703.74 × 11,964.06
  4. Step 4: Simplify right side
    21,524.47x = 355,377,266.17
  5. Step 5: Solve for x
    x = 355,377,266.17/21,524.47
  6. Step 6: Final answer
    x = 16,510.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.