Home / 21,226.59-29,292.38-12,274.93

Finding the Fourth Proportional to 21,226.59, 29,292.38 and 12,274.93

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Solution

The fourth proportional to 21,226.59, 29,292.38 and 12,274.93 is: 16,939.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,226.59 : 29,292.38 = 12,274.93 : x
  2. Step 2: Convert to fraction form
    21,226.59/29,292.38 = 12,274.93/x
  3. Step 3: Cross multiply
    21,226.59x = 29,292.38 × 12,274.93
  4. Step 4: Simplify right side
    21,226.59x = 359,561,839.58
  5. Step 5: Solve for x
    x = 359,561,839.58/21,226.59
  6. Step 6: Final answer
    x = 16,939.22

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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.