Home / 12,398.13-18,597.11-4,997.35

Finding the Fourth Proportional to 12,398.13, 18,597.11 and 4,997.35

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Solution

The fourth proportional to 12,398.13, 18,597.11 and 4,997.35 is: 7,495.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,398.13 : 18,597.11 = 4,997.35 : x
  2. Step 2: Convert to fraction form
    12,398.13/18,597.11 = 4,997.35/x
  3. Step 3: Cross multiply
    12,398.13x = 18,597.11 × 4,997.35
  4. Step 4: Simplify right side
    12,398.13x = 92,936,265.92
  5. Step 5: Solve for x
    x = 92,936,265.92/12,398.13
  6. Step 6: Final answer
    x = 7,495.99

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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.