Home / 13,160.59-18,161.62-7,110.83

Finding the Fourth Proportional to 13,160.59, 18,161.62 and 7,110.83

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Solution

The fourth proportional to 13,160.59, 18,161.62 and 7,110.83 is: 9,812.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.59 : 18,161.62 = 7,110.83 : x
  2. Step 2: Convert to fraction form
    13,160.59/18,161.62 = 7,110.83/x
  3. Step 3: Cross multiply
    13,160.59x = 18,161.62 × 7,110.83
  4. Step 4: Simplify right side
    13,160.59x = 129,144,192.34
  5. Step 5: Solve for x
    x = 129,144,192.34/13,160.59
  6. Step 6: Final answer
    x = 9,812.95

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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.