Home / 15,787.45-23,682.45-5,257.09

Finding the Fourth Proportional to 15,787.45, 23,682.45 and 5,257.09

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Solution

The fourth proportional to 15,787.45, 23,682.45 and 5,257.09 is: 7,886.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,787.45 : 23,682.45 = 5,257.09 : x
  2. Step 2: Convert to fraction form
    15,787.45/23,682.45 = 5,257.09/x
  3. Step 3: Cross multiply
    15,787.45x = 23,682.45 × 5,257.09
  4. Step 4: Simplify right side
    15,787.45x = 124,500,771.07
  5. Step 5: Solve for x
    x = 124,500,771.07/15,787.45
  6. Step 6: Final answer
    x = 7,886.06

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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.