Home / 21,770.87-30,052.97-14,706.86

Finding the Fourth Proportional to 21,770.87, 30,052.97 and 14,706.86

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Solution

The fourth proportional to 21,770.87, 30,052.97 and 14,706.86 is: 20,301.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,770.87 : 30,052.97 = 14,706.86 : x
  2. Step 2: Convert to fraction form
    21,770.87/30,052.97 = 14,706.86/x
  3. Step 3: Cross multiply
    21,770.87x = 30,052.97 × 14,706.86
  4. Step 4: Simplify right side
    21,770.87x = 441,984,598.58
  5. Step 5: Solve for x
    x = 441,984,598.58/21,770.87
  6. Step 6: Final answer
    x = 20,301.66

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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.