Home / 10,342.53-14,272.74-5,626.85

Finding the Fourth Proportional to 10,342.53, 14,272.74 and 5,626.85

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Solution

The fourth proportional to 10,342.53, 14,272.74 and 5,626.85 is: 7,765.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.53 : 14,272.74 = 5,626.85 : x
  2. Step 2: Convert to fraction form
    10,342.53/14,272.74 = 5,626.85/x
  3. Step 3: Cross multiply
    10,342.53x = 14,272.74 × 5,626.85
  4. Step 4: Simplify right side
    10,342.53x = 80,310,495.71
  5. Step 5: Solve for x
    x = 80,310,495.71/10,342.53
  6. Step 6: Final answer
    x = 7,765.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.