Home / 12,694.07-17,508.90-8,859.30

Finding the Fourth Proportional to 12,694.07, 17,508.90 and 8,859.30

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Solution

The fourth proportional to 12,694.07, 17,508.90 and 8,859.30 is: 12,219.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,694.07 : 17,508.90 = 8,859.30 : x
  2. Step 2: Convert to fraction form
    12,694.07/17,508.90 = 8,859.30/x
  3. Step 3: Cross multiply
    12,694.07x = 17,508.90 × 8,859.30
  4. Step 4: Simplify right side
    12,694.07x = 155,116,597.77
  5. Step 5: Solve for x
    x = 155,116,597.77/12,694.07
  6. Step 6: Final answer
    x = 12,219.62

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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.