Home / 19,830.29-27,365.74-10,877.92

Finding the Fourth Proportional to 19,830.29, 27,365.74 and 10,877.92

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Solution

The fourth proportional to 19,830.29, 27,365.74 and 10,877.92 is: 15,011.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,830.29 : 27,365.74 = 10,877.92 : x
  2. Step 2: Convert to fraction form
    19,830.29/27,365.74 = 10,877.92/x
  3. Step 3: Cross multiply
    19,830.29x = 27,365.74 × 10,877.92
  4. Step 4: Simplify right side
    19,830.29x = 297,682,234.85
  5. Step 5: Solve for x
    x = 297,682,234.85/19,830.29
  6. Step 6: Final answer
    x = 15,011.50

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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.