Home / 19,893.12-27,451.98-10,818.23

Finding the Fourth Proportional to 19,893.12, 27,451.98 and 10,818.23

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Solution

The fourth proportional to 19,893.12, 27,451.98 and 10,818.23 is: 14,928.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,893.12 : 27,451.98 = 10,818.23 : x
  2. Step 2: Convert to fraction form
    19,893.12/27,451.98 = 10,818.23/x
  3. Step 3: Cross multiply
    19,893.12x = 27,451.98 × 10,818.23
  4. Step 4: Simplify right side
    19,893.12x = 296,981,696.34
  5. Step 5: Solve for x
    x = 296,981,696.34/19,893.12
  6. Step 6: Final answer
    x = 14,928.86

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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.