Home / 22,867.32-31,556.58-12,519.12

Finding the Fourth Proportional to 22,867.32, 31,556.58 and 12,519.12

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Solution

The fourth proportional to 22,867.32, 31,556.58 and 12,519.12 is: 17,276.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,867.32 : 31,556.58 = 12,519.12 : x
  2. Step 2: Convert to fraction form
    22,867.32/31,556.58 = 12,519.12/x
  3. Step 3: Cross multiply
    22,867.32x = 31,556.58 × 12,519.12
  4. Step 4: Simplify right side
    22,867.32x = 395,060,611.81
  5. Step 5: Solve for x
    x = 395,060,611.81/22,867.32
  6. Step 6: Final answer
    x = 17,276.21

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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.