Home / 13,912.31-19,199.03-7,624.69

Finding the Fourth Proportional to 13,912.31, 19,199.03 and 7,624.69

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Solution

The fourth proportional to 13,912.31, 19,199.03 and 7,624.69 is: 10,522.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,912.31 : 19,199.03 = 7,624.69 : x
  2. Step 2: Convert to fraction form
    13,912.31/19,199.03 = 7,624.69/x
  3. Step 3: Cross multiply
    13,912.31x = 19,199.03 × 7,624.69
  4. Step 4: Simplify right side
    13,912.31x = 146,386,565.93
  5. Step 5: Solve for x
    x = 146,386,565.93/13,912.31
  6. Step 6: Final answer
    x = 10,522.09

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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.