Home / 17,787.74-26,685.42-5,308.74

Finding the Fourth Proportional to 17,787.74, 26,685.42 and 5,308.74

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Solution

The fourth proportional to 17,787.74, 26,685.42 and 5,308.74 is: 7,964.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,787.74 : 26,685.42 = 5,308.74 : x
  2. Step 2: Convert to fraction form
    17,787.74/26,685.42 = 5,308.74/x
  3. Step 3: Cross multiply
    17,787.74x = 26,685.42 × 5,308.74
  4. Step 4: Simplify right side
    17,787.74x = 141,665,956.57
  5. Step 5: Solve for x
    x = 141,665,956.57/17,787.74
  6. Step 6: Final answer
    x = 7,964.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.