Home / 15,858.57-23,787.87-4,171.74

Finding the Fourth Proportional to 15,858.57, 23,787.87 and 4,171.74

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Solution

The fourth proportional to 15,858.57, 23,787.87 and 4,171.74 is: 6,257.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,858.57 : 23,787.87 = 4,171.74 : x
  2. Step 2: Convert to fraction form
    15,858.57/23,787.87 = 4,171.74/x
  3. Step 3: Cross multiply
    15,858.57x = 23,787.87 × 4,171.74
  4. Step 4: Simplify right side
    15,858.57x = 99,236,808.79
  5. Step 5: Solve for x
    x = 99,236,808.79/15,858.57
  6. Step 6: Final answer
    x = 6,257.61

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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.