Home / 12,682.32-17,503.08-7,377.36

Finding the Fourth Proportional to 12,682.32, 17,503.08 and 7,377.36

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Solution

The fourth proportional to 12,682.32, 17,503.08 and 7,377.36 is: 10,181.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682.32 : 17,503.08 = 7,377.36 : x
  2. Step 2: Convert to fraction form
    12,682.32/17,503.08 = 7,377.36/x
  3. Step 3: Cross multiply
    12,682.32x = 17,503.08 × 7,377.36
  4. Step 4: Simplify right side
    12,682.32x = 129,126,522.27
  5. Step 5: Solve for x
    x = 129,126,522.27/12,682.32
  6. Step 6: Final answer
    x = 10,181.62

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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.