Home / 10,001.55-14,989.77-5,072.43

Finding the Fourth Proportional to 10,001.55, 14,989.77 and 5,072.43

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Solution

The fourth proportional to 10,001.55, 14,989.77 and 5,072.43 is: 7,602.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.55 : 14,989.77 = 5,072.43 : x
  2. Step 2: Convert to fraction form
    10,001.55/14,989.77 = 5,072.43/x
  3. Step 3: Cross multiply
    10,001.55x = 14,989.77 × 5,072.43
  4. Step 4: Simplify right side
    10,001.55x = 76,034,559.04
  5. Step 5: Solve for x
    x = 76,034,559.04/10,001.55
  6. Step 6: Final answer
    x = 7,602.28

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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.