Home / 19,818.68-27,350.16-10,865.66

Finding the Fourth Proportional to 19,818.68, 27,350.16 and 10,865.66

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Solution

The fourth proportional to 19,818.68, 27,350.16 and 10,865.66 is: 14,994.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.68 : 27,350.16 = 10,865.66 : x
  2. Step 2: Convert to fraction form
    19,818.68/27,350.16 = 10,865.66/x
  3. Step 3: Cross multiply
    19,818.68x = 27,350.16 × 10,865.66
  4. Step 4: Simplify right side
    19,818.68x = 297,177,402.75
  5. Step 5: Solve for x
    x = 297,177,402.75/19,818.68
  6. Step 6: Final answer
    x = 14,994.82

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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.