Home / 10,339.18-15,505.63-3,317.49

Finding the Fourth Proportional to 10,339.18, 15,505.63 and 3,317.49

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Solution

The fourth proportional to 10,339.18, 15,505.63 and 3,317.49 is: 4,975.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.18 : 15,505.63 = 3,317.49 : x
  2. Step 2: Convert to fraction form
    10,339.18/15,505.63 = 3,317.49/x
  3. Step 3: Cross multiply
    10,339.18x = 15,505.63 × 3,317.49
  4. Step 4: Simplify right side
    10,339.18x = 51,439,764.17
  5. Step 5: Solve for x
    x = 51,439,764.17/10,339.18
  6. Step 6: Final answer
    x = 4,975.23

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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.