Home / 13,207.29-19,823.26-6,971.91

Finding the Fourth Proportional to 13,207.29, 19,823.26 and 6,971.91

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Solution

The fourth proportional to 13,207.29, 19,823.26 and 6,971.91 is: 10,464.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.29 : 19,823.26 = 6,971.91 : x
  2. Step 2: Convert to fraction form
    13,207.29/19,823.26 = 6,971.91/x
  3. Step 3: Cross multiply
    13,207.29x = 19,823.26 × 6,971.91
  4. Step 4: Simplify right side
    13,207.29x = 138,205,984.63
  5. Step 5: Solve for x
    x = 138,205,984.63/13,207.29
  6. Step 6: Final answer
    x = 10,464.37

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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.