Home / 13,072.64-18,087.74-11,397.54

Finding the Fourth Proportional to 13,072.64, 18,087.74 and 11,397.54

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Solution

The fourth proportional to 13,072.64, 18,087.74 and 11,397.54 is: 15,770.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.64 : 18,087.74 = 11,397.54 : x
  2. Step 2: Convert to fraction form
    13,072.64/18,087.74 = 11,397.54/x
  3. Step 3: Cross multiply
    13,072.64x = 18,087.74 × 11,397.54
  4. Step 4: Simplify right side
    13,072.64x = 206,155,689.21
  5. Step 5: Solve for x
    x = 206,155,689.21/13,072.64
  6. Step 6: Final answer
    x = 15,770.01

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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.