Home / 11,787.27-17,675.35-4,285.55

Finding the Fourth Proportional to 11,787.27, 17,675.35 and 4,285.55

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Solution

The fourth proportional to 11,787.27, 17,675.35 and 4,285.55 is: 6,426.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787.27 : 17,675.35 = 4,285.55 : x
  2. Step 2: Convert to fraction form
    11,787.27/17,675.35 = 4,285.55/x
  3. Step 3: Cross multiply
    11,787.27x = 17,675.35 × 4,285.55
  4. Step 4: Simplify right side
    11,787.27x = 75,748,596.19
  5. Step 5: Solve for x
    x = 75,748,596.19/11,787.27
  6. Step 6: Final answer
    x = 6,426.31

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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.