Home / 21,614.40-29,827.27-12,054.57

Finding the Fourth Proportional to 21,614.40, 29,827.27 and 12,054.57

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Solution

The fourth proportional to 21,614.40, 29,827.27 and 12,054.57 is: 16,634.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,614.40 : 29,827.27 = 12,054.57 : x
  2. Step 2: Convert to fraction form
    21,614.40/29,827.27 = 12,054.57/x
  3. Step 3: Cross multiply
    21,614.40x = 29,827.27 × 12,054.57
  4. Step 4: Simplify right side
    21,614.40x = 359,554,853.85
  5. Step 5: Solve for x
    x = 359,554,853.85/21,614.40
  6. Step 6: Final answer
    x = 16,634.97

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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.