Home / 21,474.27-29,633.28-11,913.63

Finding the Fourth Proportional to 21,474.27, 29,633.28 and 11,913.63

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Solution

The fourth proportional to 21,474.27, 29,633.28 and 11,913.63 is: 16,440.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,474.27 : 29,633.28 = 11,913.63 : x
  2. Step 2: Convert to fraction form
    21,474.27/29,633.28 = 11,913.63/x
  3. Step 3: Cross multiply
    21,474.27x = 29,633.28 × 11,913.63
  4. Step 4: Simplify right side
    21,474.27x = 353,039,933.61
  5. Step 5: Solve for x
    x = 353,039,933.61/21,474.27
  6. Step 6: Final answer
    x = 16,440.14

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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.