Home / 18,629.08-25,713.58-11,080.72

Finding the Fourth Proportional to 18,629.08, 25,713.58 and 11,080.72

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Solution

The fourth proportional to 18,629.08, 25,713.58 and 11,080.72 is: 15,294.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.08 : 25,713.58 = 11,080.72 : x
  2. Step 2: Convert to fraction form
    18,629.08/25,713.58 = 11,080.72/x
  3. Step 3: Cross multiply
    18,629.08x = 25,713.58 × 11,080.72
  4. Step 4: Simplify right side
    18,629.08x = 284,924,980.18
  5. Step 5: Solve for x
    x = 284,924,980.18/18,629.08
  6. Step 6: Final answer
    x = 15,294.64

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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.