Home / 21,182.73-31,794.75-10,097.07

Finding the Fourth Proportional to 21,182.73, 31,794.75 and 10,097.07

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Solution

The fourth proportional to 21,182.73, 31,794.75 and 10,097.07 is: 15,155.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,182.73 : 31,794.75 = 10,097.07 : x
  2. Step 2: Convert to fraction form
    21,182.73/31,794.75 = 10,097.07/x
  3. Step 3: Cross multiply
    21,182.73x = 31,794.75 × 10,097.07
  4. Step 4: Simplify right side
    21,182.73x = 321,033,816.38
  5. Step 5: Solve for x
    x = 321,033,816.38/21,182.73
  6. Step 6: Final answer
    x = 15,155.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.