Home / 13,108.92-18,072.62-12,701.24

Finding the Fourth Proportional to 13,108.92, 18,072.62 and 12,701.24

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Solution

The fourth proportional to 13,108.92, 18,072.62 and 12,701.24 is: 17,510.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108.92 : 18,072.62 = 12,701.24 : x
  2. Step 2: Convert to fraction form
    13,108.92/18,072.62 = 12,701.24/x
  3. Step 3: Cross multiply
    13,108.92x = 18,072.62 × 12,701.24
  4. Step 4: Simplify right side
    13,108.92x = 229,544,684.05
  5. Step 5: Solve for x
    x = 229,544,684.05/13,108.92
  6. Step 6: Final answer
    x = 17,510.57

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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.