Home / 13,923.54-19,207.76-9,141.62

Finding the Fourth Proportional to 13,923.54, 19,207.76 and 9,141.62

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Solution

The fourth proportional to 13,923.54, 19,207.76 and 9,141.62 is: 12,611.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.54 : 19,207.76 = 9,141.62 : x
  2. Step 2: Convert to fraction form
    13,923.54/19,207.76 = 9,141.62/x
  3. Step 3: Cross multiply
    13,923.54x = 19,207.76 × 9,141.62
  4. Step 4: Simplify right side
    13,923.54x = 175,589,901.22
  5. Step 5: Solve for x
    x = 175,589,901.22/13,923.54
  6. Step 6: Final answer
    x = 12,611.01

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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.