Home / 12,827.75-19,236.98-5,432.72

Finding the Fourth Proportional to 12,827.75, 19,236.98 and 5,432.72

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Solution

The fourth proportional to 12,827.75, 19,236.98 and 5,432.72 is: 8,147.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,827.75 : 19,236.98 = 5,432.72 : x
  2. Step 2: Convert to fraction form
    12,827.75/19,236.98 = 5,432.72/x
  3. Step 3: Cross multiply
    12,827.75x = 19,236.98 × 5,432.72
  4. Step 4: Simplify right side
    12,827.75x = 104,509,002.64
  5. Step 5: Solve for x
    x = 104,509,002.64/12,827.75
  6. Step 6: Final answer
    x = 8,147.11

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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.