Home / 13,741.59-18,962.31-8,076.55

Finding the Fourth Proportional to 13,741.59, 18,962.31 and 8,076.55

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Solution

The fourth proportional to 13,741.59, 18,962.31 and 8,076.55 is: 11,145.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.59 : 18,962.31 = 8,076.55 : x
  2. Step 2: Convert to fraction form
    13,741.59/18,962.31 = 8,076.55/x
  3. Step 3: Cross multiply
    13,741.59x = 18,962.31 × 8,076.55
  4. Step 4: Simplify right side
    13,741.59x = 153,149,997.42
  5. Step 5: Solve for x
    x = 153,149,997.42/13,741.59
  6. Step 6: Final answer
    x = 11,145.00

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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.