Home / 19,118.56-26,380.92-10,620.04

Finding the Fourth Proportional to 19,118.56, 26,380.92 and 10,620.04

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Solution

The fourth proportional to 19,118.56, 26,380.92 and 10,620.04 is: 14,654.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.56 : 26,380.92 = 10,620.04 : x
  2. Step 2: Convert to fraction form
    19,118.56/26,380.92 = 10,620.04/x
  3. Step 3: Cross multiply
    19,118.56x = 26,380.92 × 10,620.04
  4. Step 4: Simplify right side
    19,118.56x = 280,166,425.64
  5. Step 5: Solve for x
    x = 280,166,425.64/19,118.56
  6. Step 6: Final answer
    x = 14,654.16

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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.