Home / 22,679.94-31,303.40-12,611.91

Finding the Fourth Proportional to 22,679.94, 31,303.40 and 12,611.91

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Solution

The fourth proportional to 22,679.94, 31,303.40 and 12,611.91 is: 17,407.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679.94 : 31,303.40 = 12,611.91 : x
  2. Step 2: Convert to fraction form
    22,679.94/31,303.40 = 12,611.91/x
  3. Step 3: Cross multiply
    22,679.94x = 31,303.40 × 12,611.91
  4. Step 4: Simplify right side
    22,679.94x = 394,795,600.43
  5. Step 5: Solve for x
    x = 394,795,600.43/22,679.94
  6. Step 6: Final answer
    x = 17,407.26

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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.