Home / 12,607.35-17,398.56-6,942.37

Finding the Fourth Proportional to 12,607.35, 17,398.56 and 6,942.37

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Solution

The fourth proportional to 12,607.35, 17,398.56 and 6,942.37 is: 9,580.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607.35 : 17,398.56 = 6,942.37 : x
  2. Step 2: Convert to fraction form
    12,607.35/17,398.56 = 6,942.37/x
  3. Step 3: Cross multiply
    12,607.35x = 17,398.56 × 6,942.37
  4. Step 4: Simplify right side
    12,607.35x = 120,787,240.99
  5. Step 5: Solve for x
    x = 120,787,240.99/12,607.35
  6. Step 6: Final answer
    x = 9,580.70

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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.