Home / 14,963.96-20,638.86-11,438.84

Finding the Fourth Proportional to 14,963.96, 20,638.86 and 11,438.84

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Solution

The fourth proportional to 14,963.96, 20,638.86 and 11,438.84 is: 15,776.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,963.96 : 20,638.86 = 11,438.84 : x
  2. Step 2: Convert to fraction form
    14,963.96/20,638.86 = 11,438.84/x
  3. Step 3: Cross multiply
    14,963.96x = 20,638.86 × 11,438.84
  4. Step 4: Simplify right side
    14,963.96x = 236,084,617.32
  5. Step 5: Solve for x
    x = 236,084,617.32/14,963.96
  6. Step 6: Final answer
    x = 15,776.88

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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.