Home / 8,456.32-12,670.08-6,606.72

Finding the Fourth Proportional to 8,456.32, 12,670.08 and 6,606.72

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Solution

The fourth proportional to 8,456.32, 12,670.08 and 6,606.72 is: 9,898.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.32 : 12,670.08 = 6,606.72 : x
  2. Step 2: Convert to fraction form
    8,456.32/12,670.08 = 6,606.72/x
  3. Step 3: Cross multiply
    8,456.32x = 12,670.08 × 6,606.72
  4. Step 4: Simplify right side
    8,456.32x = 83,707,670.94
  5. Step 5: Solve for x
    x = 83,707,670.94/8,456.32
  6. Step 6: Final answer
    x = 9,898.83

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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.