Home / 10,263.14-15,390.61-4,342.75

Finding the Fourth Proportional to 10,263.14, 15,390.61 and 4,342.75

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Solution

The fourth proportional to 10,263.14, 15,390.61 and 4,342.75 is: 6,512.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,263.14 : 15,390.61 = 4,342.75 : x
  2. Step 2: Convert to fraction form
    10,263.14/15,390.61 = 4,342.75/x
  3. Step 3: Cross multiply
    10,263.14x = 15,390.61 × 4,342.75
  4. Step 4: Simplify right side
    10,263.14x = 66,837,522.24
  5. Step 5: Solve for x
    x = 66,837,522.24/10,263.14
  6. Step 6: Final answer
    x = 6,512.39

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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.