Home / 13,869.72-19,134.54-10,084.59

Finding the Fourth Proportional to 13,869.72, 19,134.54 and 10,084.59

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Solution

The fourth proportional to 13,869.72, 19,134.54 and 10,084.59 is: 13,912.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,869.72 : 19,134.54 = 10,084.59 : x
  2. Step 2: Convert to fraction form
    13,869.72/19,134.54 = 10,084.59/x
  3. Step 3: Cross multiply
    13,869.72x = 19,134.54 × 10,084.59
  4. Step 4: Simplify right side
    13,869.72x = 192,963,990.74
  5. Step 5: Solve for x
    x = 192,963,990.74/13,869.72
  6. Step 6: Final answer
    x = 13,912.61

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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.