Home / 21,611.84-32,422.98-11,077.52

Finding the Fourth Proportional to 21,611.84, 32,422.98 and 11,077.52

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Solution

The fourth proportional to 21,611.84, 32,422.98 and 11,077.52 is: 16,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,611.84 : 32,422.98 = 11,077.52 : x
  2. Step 2: Convert to fraction form
    21,611.84/32,422.98 = 11,077.52/x
  3. Step 3: Cross multiply
    21,611.84x = 32,422.98 × 11,077.52
  4. Step 4: Simplify right side
    21,611.84x = 359,166,209.41
  5. Step 5: Solve for x
    x = 359,166,209.41/21,611.84
  6. Step 6: Final answer
    x = 16,618.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.