Home / 19,771.34-27,284.42-10,818.84

Finding the Fourth Proportional to 19,771.34, 27,284.42 and 10,818.84

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Solution

The fourth proportional to 19,771.34, 27,284.42 and 10,818.84 is: 14,929.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,771.34 : 27,284.42 = 10,818.84 : x
  2. Step 2: Convert to fraction form
    19,771.34/27,284.42 = 10,818.84/x
  3. Step 3: Cross multiply
    19,771.34x = 27,284.42 × 10,818.84
  4. Step 4: Simplify right side
    19,771.34x = 295,185,863.27
  5. Step 5: Solve for x
    x = 295,185,863.27/19,771.34
  6. Step 6: Final answer
    x = 14,929.99

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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.