Home / 10,454.45-15,681.77-2,663.26

Finding the Fourth Proportional to 10,454.45, 15,681.77 and 2,663.26

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Solution

The fourth proportional to 10,454.45, 15,681.77 and 2,663.26 is: 3,994.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,454.45 : 15,681.77 = 2,663.26 : x
  2. Step 2: Convert to fraction form
    10,454.45/15,681.77 = 2,663.26/x
  3. Step 3: Cross multiply
    10,454.45x = 15,681.77 × 2,663.26
  4. Step 4: Simplify right side
    10,454.45x = 41,764,539.05
  5. Step 5: Solve for x
    x = 41,764,539.05/10,454.45
  6. Step 6: Final answer
    x = 3,994.91

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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.