Home / 12,523.84-18,787.59-3,759.45

Finding the Fourth Proportional to 12,523.84, 18,787.59 and 3,759.45

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Solution

The fourth proportional to 12,523.84, 18,787.59 and 3,759.45 is: 5,639.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523.84 : 18,787.59 = 3,759.45 : x
  2. Step 2: Convert to fraction form
    12,523.84/18,787.59 = 3,759.45/x
  3. Step 3: Cross multiply
    12,523.84x = 18,787.59 × 3,759.45
  4. Step 4: Simplify right side
    12,523.84x = 70,630,911.29
  5. Step 5: Solve for x
    x = 70,630,911.29/12,523.84
  6. Step 6: Final answer
    x = 5,639.72

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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.