Home / 19,823.14-27,355.91-10,870.79

Finding the Fourth Proportional to 19,823.14, 27,355.91 and 10,870.79

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Solution

The fourth proportional to 19,823.14, 27,355.91 and 10,870.79 is: 15,001.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,823.14 : 27,355.91 = 10,870.79 : x
  2. Step 2: Convert to fraction form
    19,823.14/27,355.91 = 10,870.79/x
  3. Step 3: Cross multiply
    19,823.14x = 27,355.91 × 10,870.79
  4. Step 4: Simplify right side
    19,823.14x = 297,380,352.87
  5. Step 5: Solve for x
    x = 297,380,352.87/19,823.14
  6. Step 6: Final answer
    x = 15,001.68

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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.