Home / 10,113.63-15,169.36-3,539.94

Finding the Fourth Proportional to 10,113.63, 15,169.36 and 3,539.94

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Solution

The fourth proportional to 10,113.63, 15,169.36 and 3,539.94 is: 5,309.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113.63 : 15,169.36 = 3,539.94 : x
  2. Step 2: Convert to fraction form
    10,113.63/15,169.36 = 3,539.94/x
  3. Step 3: Cross multiply
    10,113.63x = 15,169.36 × 3,539.94
  4. Step 4: Simplify right side
    10,113.63x = 53,698,624.24
  5. Step 5: Solve for x
    x = 53,698,624.24/10,113.63
  6. Step 6: Final answer
    x = 5,309.53

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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.