Home / 12,486.70-17,234.58-7,184.62

Finding the Fourth Proportional to 12,486.70, 17,234.58 and 7,184.62

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Solution

The fourth proportional to 12,486.70, 17,234.58 and 7,184.62 is: 9,916.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,486.70 : 17,234.58 = 7,184.62 : x
  2. Step 2: Convert to fraction form
    12,486.70/17,234.58 = 7,184.62/x
  3. Step 3: Cross multiply
    12,486.70x = 17,234.58 × 7,184.62
  4. Step 4: Simplify right side
    12,486.70x = 123,823,908.16
  5. Step 5: Solve for x
    x = 123,823,908.16/12,486.70
  6. Step 6: Final answer
    x = 9,916.46

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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.