Home / 17,856.63-26,787.78-6,170.76

Finding the Fourth Proportional to 17,856.63, 26,787.78 and 6,170.76

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Solution

The fourth proportional to 17,856.63, 26,787.78 and 6,170.76 is: 9,257.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,856.63 : 26,787.78 = 6,170.76 : x
  2. Step 2: Convert to fraction form
    17,856.63/26,787.78 = 6,170.76/x
  3. Step 3: Cross multiply
    17,856.63x = 26,787.78 × 6,170.76
  4. Step 4: Simplify right side
    17,856.63x = 165,300,961.31
  5. Step 5: Solve for x
    x = 165,300,961.31/17,856.63
  6. Step 6: Final answer
    x = 9,257.12

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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.