Home / 11,639.63-16,062.75-6,334.49

Finding the Fourth Proportional to 11,639.63, 16,062.75 and 6,334.49

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Solution

The fourth proportional to 11,639.63, 16,062.75 and 6,334.49 is: 8,741.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.63 : 16,062.75 = 6,334.49 : x
  2. Step 2: Convert to fraction form
    11,639.63/16,062.75 = 6,334.49/x
  3. Step 3: Cross multiply
    11,639.63x = 16,062.75 × 6,334.49
  4. Step 4: Simplify right side
    11,639.63x = 101,749,248.93
  5. Step 5: Solve for x
    x = 101,749,248.93/11,639.63
  6. Step 6: Final answer
    x = 8,741.63

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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.