Home / 15,327.09-22,971.51-13,238.55

Finding the Fourth Proportional to 15,327.09, 22,971.51 and 13,238.55

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Solution

The fourth proportional to 15,327.09, 22,971.51 and 13,238.55 is: 19,841.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,327.09 : 22,971.51 = 13,238.55 : x
  2. Step 2: Convert to fraction form
    15,327.09/22,971.51 = 13,238.55/x
  3. Step 3: Cross multiply
    15,327.09x = 22,971.51 × 13,238.55
  4. Step 4: Simplify right side
    15,327.09x = 304,109,483.71
  5. Step 5: Solve for x
    x = 304,109,483.71/15,327.09
  6. Step 6: Final answer
    x = 19,841.31

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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.