Home / 11,639.40-16,062.45-6,334.25

Finding the Fourth Proportional to 11,639.40, 16,062.45 and 6,334.25

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Solution

The fourth proportional to 11,639.40, 16,062.45 and 6,334.25 is: 8,741.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.40 : 16,062.45 = 6,334.25 : x
  2. Step 2: Convert to fraction form
    11,639.40/16,062.45 = 6,334.25/x
  3. Step 3: Cross multiply
    11,639.40x = 16,062.45 × 6,334.25
  4. Step 4: Simplify right side
    11,639.40x = 101,743,595.83
  5. Step 5: Solve for x
    x = 101,743,595.83/11,639.40
  6. Step 6: Final answer
    x = 8,741.31

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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.