Home / 13,273.69-18,318.54-7,894.66

Finding the Fourth Proportional to 13,273.69, 18,318.54 and 7,894.66

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Solution

The fourth proportional to 13,273.69, 18,318.54 and 7,894.66 is: 10,895.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.69 : 18,318.54 = 7,894.66 : x
  2. Step 2: Convert to fraction form
    13,273.69/18,318.54 = 7,894.66/x
  3. Step 3: Cross multiply
    13,273.69x = 18,318.54 × 7,894.66
  4. Step 4: Simplify right side
    13,273.69x = 144,618,645.00
  5. Step 5: Solve for x
    x = 144,618,645.00/13,273.69
  6. Step 6: Final answer
    x = 10,895.14

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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.