Home / 12,847.31-19,271.17-4,527.42

Finding the Fourth Proportional to 12,847.31, 19,271.17 and 4,527.42

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Solution

The fourth proportional to 12,847.31, 19,271.17 and 4,527.42 is: 6,791.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847.31 : 19,271.17 = 4,527.42 : x
  2. Step 2: Convert to fraction form
    12,847.31/19,271.17 = 4,527.42/x
  3. Step 3: Cross multiply
    12,847.31x = 19,271.17 × 4,527.42
  4. Step 4: Simplify right side
    12,847.31x = 87,248,737.15
  5. Step 5: Solve for x
    x = 87,248,737.15/12,847.31
  6. Step 6: Final answer
    x = 6,791.21

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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.