Home / 10,288.34-15,433.87-4,742.94

Finding the Fourth Proportional to 10,288.34, 15,433.87 and 4,742.94

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Solution

The fourth proportional to 10,288.34, 15,433.87 and 4,742.94 is: 7,115.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.34 : 15,433.87 = 4,742.94 : x
  2. Step 2: Convert to fraction form
    10,288.34/15,433.87 = 4,742.94/x
  3. Step 3: Cross multiply
    10,288.34x = 15,433.87 × 4,742.94
  4. Step 4: Simplify right side
    10,288.34x = 73,201,907.52
  5. Step 5: Solve for x
    x = 73,201,907.52/10,288.34
  6. Step 6: Final answer
    x = 7,115.04

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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.