Home / 12,479.03-17,216.93-8,232.20

Finding the Fourth Proportional to 12,479.03, 17,216.93 and 8,232.20

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Solution

The fourth proportional to 12,479.03, 17,216.93 and 8,232.20 is: 11,357.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,479.03 : 17,216.93 = 8,232.20 : x
  2. Step 2: Convert to fraction form
    12,479.03/17,216.93 = 8,232.20/x
  3. Step 3: Cross multiply
    12,479.03x = 17,216.93 × 8,232.20
  4. Step 4: Simplify right side
    12,479.03x = 141,733,083.90
  5. Step 5: Solve for x
    x = 141,733,083.90/12,479.03
  6. Step 6: Final answer
    x = 11,357.70

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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.