Home / 10,317.26-15,501.21-6,621.02

Finding the Fourth Proportional to 10,317.26, 15,501.21 and 6,621.02

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Solution

The fourth proportional to 10,317.26, 15,501.21 and 6,621.02 is: 9,947.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317.26 : 15,501.21 = 6,621.02 : x
  2. Step 2: Convert to fraction form
    10,317.26/15,501.21 = 6,621.02/x
  3. Step 3: Cross multiply
    10,317.26x = 15,501.21 × 6,621.02
  4. Step 4: Simplify right side
    10,317.26x = 102,633,821.43
  5. Step 5: Solve for x
    x = 102,633,821.43/10,317.26
  6. Step 6: Final answer
    x = 9,947.78

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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.