Home / 21,274.24-29,358.21-11,713.93

Finding the Fourth Proportional to 21,274.24, 29,358.21 and 11,713.93

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Solution

The fourth proportional to 21,274.24, 29,358.21 and 11,713.93 is: 16,165.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,274.24 : 29,358.21 = 11,713.93 : x
  2. Step 2: Convert to fraction form
    21,274.24/29,358.21 = 11,713.93/x
  3. Step 3: Cross multiply
    21,274.24x = 29,358.21 × 11,713.93
  4. Step 4: Simplify right side
    21,274.24x = 343,900,016.87
  5. Step 5: Solve for x
    x = 343,900,016.87/21,274.24
  6. Step 6: Final answer
    x = 16,165.09

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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.