Home / 22,668.06-31,253.80-15,097.80

Finding the Fourth Proportional to 22,668.06, 31,253.80 and 15,097.80

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Solution

The fourth proportional to 22,668.06, 31,253.80 and 15,097.80 is: 20,816.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,668.06 : 31,253.80 = 15,097.80 : x
  2. Step 2: Convert to fraction form
    22,668.06/31,253.80 = 15,097.80/x
  3. Step 3: Cross multiply
    22,668.06x = 31,253.80 × 15,097.80
  4. Step 4: Simplify right side
    22,668.06x = 471,863,621.64
  5. Step 5: Solve for x
    x = 471,863,621.64/22,668.06
  6. Step 6: Final answer
    x = 20,816.23

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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.