Home / 21,923.06-30,253.79-11,851.52

Finding the Fourth Proportional to 21,923.06, 30,253.79 and 11,851.52

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Solution

The fourth proportional to 21,923.06, 30,253.79 and 11,851.52 is: 16,355.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923.06 : 30,253.79 = 11,851.52 : x
  2. Step 2: Convert to fraction form
    21,923.06/30,253.79 = 11,851.52/x
  3. Step 3: Cross multiply
    21,923.06x = 30,253.79 × 11,851.52
  4. Step 4: Simplify right side
    21,923.06x = 358,553,275.62
  5. Step 5: Solve for x
    x = 358,553,275.62/21,923.06
  6. Step 6: Final answer
    x = 16,355.07

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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.