Home / 8,314.38-12,498.30-6,688.98

Finding the Fourth Proportional to 8,314.38, 12,498.30 and 6,688.98

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Solution

The fourth proportional to 8,314.38, 12,498.30 and 6,688.98 is: 10,054.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,314.38 : 12,498.30 = 6,688.98 : x
  2. Step 2: Convert to fraction form
    8,314.38/12,498.30 = 6,688.98/x
  3. Step 3: Cross multiply
    8,314.38x = 12,498.30 × 6,688.98
  4. Step 4: Simplify right side
    8,314.38x = 83,600,878.73
  5. Step 5: Solve for x
    x = 83,600,878.73/8,314.38
  6. Step 6: Final answer
    x = 10,054.97

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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.