Home / 19,478.88-26,884.31-11,525.49

Finding the Fourth Proportional to 19,478.88, 26,884.31 and 11,525.49

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Solution

The fourth proportional to 19,478.88, 26,884.31 and 11,525.49 is: 15,907.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478.88 : 26,884.31 = 11,525.49 : x
  2. Step 2: Convert to fraction form
    19,478.88/26,884.31 = 11,525.49/x
  3. Step 3: Cross multiply
    19,478.88x = 26,884.31 × 11,525.49
  4. Step 4: Simplify right side
    19,478.88x = 309,854,788.43
  5. Step 5: Solve for x
    x = 309,854,788.43/19,478.88
  6. Step 6: Final answer
    x = 15,907.22

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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.