Home / 19,823.75-27,357.16-10,870.73

Finding the Fourth Proportional to 19,823.75, 27,357.16 and 10,870.73

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Solution

The fourth proportional to 19,823.75, 27,357.16 and 10,870.73 is: 15,001.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,823.75 : 27,357.16 = 10,870.73 : x
  2. Step 2: Convert to fraction form
    19,823.75/27,357.16 = 10,870.73/x
  3. Step 3: Cross multiply
    19,823.75x = 27,357.16 × 10,870.73
  4. Step 4: Simplify right side
    19,823.75x = 297,392,135.96
  5. Step 5: Solve for x
    x = 297,392,135.96/19,823.75
  6. Step 6: Final answer
    x = 15,001.81

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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.