Home / 10,091.29-15,131.73-4,539.91

Finding the Fourth Proportional to 10,091.29, 15,131.73 and 4,539.91

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Solution

The fourth proportional to 10,091.29, 15,131.73 and 4,539.91 is: 6,807.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.29 : 15,131.73 = 4,539.91 : x
  2. Step 2: Convert to fraction form
    10,091.29/15,131.73 = 4,539.91/x
  3. Step 3: Cross multiply
    10,091.29x = 15,131.73 × 4,539.91
  4. Step 4: Simplify right side
    10,091.29x = 68,696,692.34
  5. Step 5: Solve for x
    x = 68,696,692.34/10,091.29
  6. Step 6: Final answer
    x = 6,807.52

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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.