Home / 13,207.79-19,824.01-6,972.41

Finding the Fourth Proportional to 13,207.79, 19,824.01 and 6,972.41

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Solution

The fourth proportional to 13,207.79, 19,824.01 and 6,972.41 is: 10,465.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.79 : 19,824.01 = 6,972.41 : x
  2. Step 2: Convert to fraction form
    13,207.79/19,824.01 = 6,972.41/x
  3. Step 3: Cross multiply
    13,207.79x = 19,824.01 × 6,972.41
  4. Step 4: Simplify right side
    13,207.79x = 138,221,125.56
  5. Step 5: Solve for x
    x = 138,221,125.56/13,207.79
  6. Step 6: Final answer
    x = 10,465.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.