Home / 20,402.04-30,611.84-11,048.74

Finding the Fourth Proportional to 20,402.04, 30,611.84 and 11,048.74

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Solution

The fourth proportional to 20,402.04, 30,611.84 and 11,048.74 is: 16,577.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,402.04 : 30,611.84 = 11,048.74 : x
  2. Step 2: Convert to fraction form
    20,402.04/30,611.84 = 11,048.74/x
  3. Step 3: Cross multiply
    20,402.04x = 30,611.84 × 11,048.74
  4. Step 4: Simplify right side
    20,402.04x = 338,222,261.08
  5. Step 5: Solve for x
    x = 338,222,261.08/20,402.04
  6. Step 6: Final answer
    x = 16,577.86

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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.