Home / 18,770.07-28,154.07-4,729.92

Finding the Fourth Proportional to 18,770.07, 28,154.07 and 4,729.92

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Solution

The fourth proportional to 18,770.07, 28,154.07 and 4,729.92 is: 7,094.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,770.07 : 28,154.07 = 4,729.92 : x
  2. Step 2: Convert to fraction form
    18,770.07/28,154.07 = 4,729.92/x
  3. Step 3: Cross multiply
    18,770.07x = 28,154.07 × 4,729.92
  4. Step 4: Simplify right side
    18,770.07x = 133,166,498.77
  5. Step 5: Solve for x
    x = 133,166,498.77/18,770.07
  6. Step 6: Final answer
    x = 7,094.62

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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.