Home / 18,770.76-28,164.35-14,604.53

Finding the Fourth Proportional to 18,770.76, 28,164.35 and 14,604.53

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Solution

The fourth proportional to 18,770.76, 28,164.35 and 14,604.53 is: 21,913.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,770.76 : 28,164.35 = 14,604.53 : x
  2. Step 2: Convert to fraction form
    18,770.76/28,164.35 = 14,604.53/x
  3. Step 3: Cross multiply
    18,770.76x = 28,164.35 × 14,604.53
  4. Step 4: Simplify right side
    18,770.76x = 411,326,880.66
  5. Step 5: Solve for x
    x = 411,326,880.66/18,770.76
  6. Step 6: Final answer
    x = 21,913.17

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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.