Home / 22,661.36-31,274.80-13,711.08

Finding the Fourth Proportional to 22,661.36, 31,274.80 and 13,711.08

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Solution

The fourth proportional to 22,661.36, 31,274.80 and 13,711.08 is: 18,922.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,661.36 : 31,274.80 = 13,711.08 : x
  2. Step 2: Convert to fraction form
    22,661.36/31,274.80 = 13,711.08/x
  3. Step 3: Cross multiply
    22,661.36x = 31,274.80 × 13,711.08
  4. Step 4: Simplify right side
    22,661.36x = 428,811,284.78
  5. Step 5: Solve for x
    x = 428,811,284.78/22,661.36
  6. Step 6: Final answer
    x = 18,922.58

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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.