Home / 9,909.33-13,675.31-5,929.68

Finding the Fourth Proportional to 9,909.33, 13,675.31 and 5,929.68

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Solution

The fourth proportional to 9,909.33, 13,675.31 and 5,929.68 is: 8,183.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909.33 : 13,675.31 = 5,929.68 : x
  2. Step 2: Convert to fraction form
    9,909.33/13,675.31 = 5,929.68/x
  3. Step 3: Cross multiply
    9,909.33x = 13,675.31 × 5,929.68
  4. Step 4: Simplify right side
    9,909.33x = 81,090,182.55
  5. Step 5: Solve for x
    x = 81,090,182.55/9,909.33
  6. Step 6: Final answer
    x = 8,183.22

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1.5x scale

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.