Home / 10,001.68-14,999.64-3,076.72

Finding the Fourth Proportional to 10,001.68, 14,999.64 and 3,076.72

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Solution

The fourth proportional to 10,001.68, 14,999.64 and 3,076.72 is: 4,614.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.68 : 14,999.64 = 3,076.72 : x
  2. Step 2: Convert to fraction form
    10,001.68/14,999.64 = 3,076.72/x
  3. Step 3: Cross multiply
    10,001.68x = 14,999.64 × 3,076.72
  4. Step 4: Simplify right side
    10,001.68x = 46,149,692.38
  5. Step 5: Solve for x
    x = 46,149,692.38/10,001.68
  6. Step 6: Final answer
    x = 4,614.19

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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.