Home / 18,770.10-28,146.04-7,084.24

Finding the Fourth Proportional to 18,770.10, 28,146.04 and 7,084.24

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Solution

The fourth proportional to 18,770.10, 28,146.04 and 7,084.24 is: 10,622.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,770.10 : 28,146.04 = 7,084.24 : x
  2. Step 2: Convert to fraction form
    18,770.10/28,146.04 = 7,084.24/x
  3. Step 3: Cross multiply
    18,770.10x = 28,146.04 × 7,084.24
  4. Step 4: Simplify right side
    18,770.10x = 199,393,302.41
  5. Step 5: Solve for x
    x = 199,393,302.41/18,770.10
  6. Step 6: Final answer
    x = 10,622.92

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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.