Home / 19,771.68-27,284.30-10,818.98

Finding the Fourth Proportional to 19,771.68, 27,284.30 and 10,818.98

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Solution

The fourth proportional to 19,771.68, 27,284.30 and 10,818.98 is: 14,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,771.68 : 27,284.30 = 10,818.98 : x
  2. Step 2: Convert to fraction form
    19,771.68/27,284.30 = 10,818.98/x
  3. Step 3: Cross multiply
    19,771.68x = 27,284.30 × 10,818.98
  4. Step 4: Simplify right side
    19,771.68x = 295,188,296.01
  5. Step 5: Solve for x
    x = 295,188,296.01/19,771.68
  6. Step 6: Final answer
    x = 14,929.85

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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.