Home / 12,682.02-17,495.28-8,207.22

Finding the Fourth Proportional to 12,682.02, 17,495.28 and 8,207.22

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Solution

The fourth proportional to 12,682.02, 17,495.28 and 8,207.22 is: 11,322.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682.02 : 17,495.28 = 8,207.22 : x
  2. Step 2: Convert to fraction form
    12,682.02/17,495.28 = 8,207.22/x
  3. Step 3: Cross multiply
    12,682.02x = 17,495.28 × 8,207.22
  4. Step 4: Simplify right side
    12,682.02x = 143,587,611.92
  5. Step 5: Solve for x
    x = 143,587,611.92/12,682.02
  6. Step 6: Final answer
    x = 11,322.14

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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.