Home / 13,096.15-18,073.13-7,431.08

Finding the Fourth Proportional to 13,096.15, 18,073.13 and 7,431.08

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Solution

The fourth proportional to 13,096.15, 18,073.13 and 7,431.08 is: 10,255.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,096.15 : 18,073.13 = 7,431.08 : x
  2. Step 2: Convert to fraction form
    13,096.15/18,073.13 = 7,431.08/x
  3. Step 3: Cross multiply
    13,096.15x = 18,073.13 × 7,431.08
  4. Step 4: Simplify right side
    13,096.15x = 134,302,747.36
  5. Step 5: Solve for x
    x = 134,302,747.36/13,096.15
  6. Step 6: Final answer
    x = 10,255.13

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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.