Home / 21,274.06-29,357.95-11,713.74

Finding the Fourth Proportional to 21,274.06, 29,357.95 and 11,713.74

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Solution

The fourth proportional to 21,274.06, 29,357.95 and 11,713.74 is: 16,164.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,274.06 : 29,357.95 = 11,713.74 : x
  2. Step 2: Convert to fraction form
    21,274.06/29,357.95 = 11,713.74/x
  3. Step 3: Cross multiply
    21,274.06x = 29,357.95 × 11,713.74
  4. Step 4: Simplify right side
    21,274.06x = 343,891,334.66
  5. Step 5: Solve for x
    x = 343,891,334.66/21,274.06
  6. Step 6: Final answer
    x = 16,164.82

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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.