Home / 19,819.69-27,348.66-10,864.83

Finding the Fourth Proportional to 19,819.69, 27,348.66 and 10,864.83

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Solution

The fourth proportional to 19,819.69, 27,348.66 and 10,864.83 is: 14,992.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819.69 : 27,348.66 = 10,864.83 : x
  2. Step 2: Convert to fraction form
    19,819.69/27,348.66 = 10,864.83/x
  3. Step 3: Cross multiply
    19,819.69x = 27,348.66 × 10,864.83
  4. Step 4: Simplify right side
    19,819.69x = 297,138,674.74
  5. Step 5: Solve for x
    x = 297,138,674.74/19,819.69
  6. Step 6: Final answer
    x = 14,992.10

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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.