Home / 19,286.55-26,612.78-10,788.23

Finding the Fourth Proportional to 19,286.55, 26,612.78 and 10,788.23

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Solution

The fourth proportional to 19,286.55, 26,612.78 and 10,788.23 is: 14,886.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.55 : 26,612.78 = 10,788.23 : x
  2. Step 2: Convert to fraction form
    19,286.55/26,612.78 = 10,788.23/x
  3. Step 3: Cross multiply
    19,286.55x = 26,612.78 × 10,788.23
  4. Step 4: Simplify right side
    19,286.55x = 287,104,604.57
  5. Step 5: Solve for x
    x = 287,104,604.57/19,286.55
  6. Step 6: Final answer
    x = 14,886.26

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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.