Home / 9,013.52-12,439.50-6,771.44

Finding the Fourth Proportional to 9,013.52, 12,439.50 and 6,771.44

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Solution

The fourth proportional to 9,013.52, 12,439.50 and 6,771.44 is: 9,345.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013.52 : 12,439.50 = 6,771.44 : x
  2. Step 2: Convert to fraction form
    9,013.52/12,439.50 = 6,771.44/x
  3. Step 3: Cross multiply
    9,013.52x = 12,439.50 × 6,771.44
  4. Step 4: Simplify right side
    9,013.52x = 84,233,327.88
  5. Step 5: Solve for x
    x = 84,233,327.88/9,013.52
  6. Step 6: Final answer
    x = 9,345.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.