Home / 12,486.75-17,232.81-6,898.83

Finding the Fourth Proportional to 12,486.75, 17,232.81 and 6,898.83

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Solution

The fourth proportional to 12,486.75, 17,232.81 and 6,898.83 is: 9,520.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,486.75 : 17,232.81 = 6,898.83 : x
  2. Step 2: Convert to fraction form
    12,486.75/17,232.81 = 6,898.83/x
  3. Step 3: Cross multiply
    12,486.75x = 17,232.81 × 6,898.83
  4. Step 4: Simplify right side
    12,486.75x = 118,886,226.61
  5. Step 5: Solve for x
    x = 118,886,226.61/12,486.75
  6. Step 6: Final answer
    x = 9,520.99

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Double scale
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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.