Home / 15,513.69-23,274.18-4,420.55

Finding the Fourth Proportional to 15,513.69, 23,274.18 and 4,420.55

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Solution

The fourth proportional to 15,513.69, 23,274.18 and 4,420.55 is: 6,631.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513.69 : 23,274.18 = 4,420.55 : x
  2. Step 2: Convert to fraction form
    15,513.69/23,274.18 = 4,420.55/x
  3. Step 3: Cross multiply
    15,513.69x = 23,274.18 × 4,420.55
  4. Step 4: Simplify right side
    15,513.69x = 102,884,560.03
  5. Step 5: Solve for x
    x = 102,884,560.03/15,513.69
  6. Step 6: Final answer
    x = 6,631.86

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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.