Home / 13,902.12-19,184.70-7,614.36

Finding the Fourth Proportional to 13,902.12, 19,184.70 and 7,614.36

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Solution

The fourth proportional to 13,902.12, 19,184.70 and 7,614.36 is: 10,507.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.12 : 19,184.70 = 7,614.36 : x
  2. Step 2: Convert to fraction form
    13,902.12/19,184.70 = 7,614.36/x
  3. Step 3: Cross multiply
    13,902.12x = 19,184.70 × 7,614.36
  4. Step 4: Simplify right side
    13,902.12x = 146,079,212.29
  5. Step 5: Solve for x
    x = 146,079,212.29/13,902.12
  6. Step 6: Final answer
    x = 10,507.69

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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.