Home / 10,109.64-15,166.43-3,089.97

Finding the Fourth Proportional to 10,109.64, 15,166.43 and 3,089.97

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Solution

The fourth proportional to 10,109.64, 15,166.43 and 3,089.97 is: 4,635.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109.64 : 15,166.43 = 3,089.97 : x
  2. Step 2: Convert to fraction form
    10,109.64/15,166.43 = 3,089.97/x
  3. Step 3: Cross multiply
    10,109.64x = 15,166.43 × 3,089.97
  4. Step 4: Simplify right side
    10,109.64x = 46,863,798.26
  5. Step 5: Solve for x
    x = 46,863,798.26/10,109.64
  6. Step 6: Final answer
    x = 4,635.56

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1.5x scale

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.