Home / 8,014.77-12,005.39-6,446.30

Finding the Fourth Proportional to 8,014.77, 12,005.39 and 6,446.30

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Solution

The fourth proportional to 8,014.77, 12,005.39 and 6,446.30 is: 9,655.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,014.77 : 12,005.39 = 6,446.30 : x
  2. Step 2: Convert to fraction form
    8,014.77/12,005.39 = 6,446.30/x
  3. Step 3: Cross multiply
    8,014.77x = 12,005.39 × 6,446.30
  4. Step 4: Simplify right side
    8,014.77x = 77,390,345.56
  5. Step 5: Solve for x
    x = 77,390,345.56/8,014.77
  6. Step 6: Final answer
    x = 9,655.97

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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.