Home / 19,493.75-26,899.74-11,534.58

Finding the Fourth Proportional to 19,493.75, 26,899.74 and 11,534.58

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Solution

The fourth proportional to 19,493.75, 26,899.74 and 11,534.58 is: 15,916.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,493.75 : 26,899.74 = 11,534.58 : x
  2. Step 2: Convert to fraction form
    19,493.75/26,899.74 = 11,534.58/x
  3. Step 3: Cross multiply
    19,493.75x = 26,899.74 × 11,534.58
  4. Step 4: Simplify right side
    19,493.75x = 310,277,203.01
  5. Step 5: Solve for x
    x = 310,277,203.01/19,493.75
  6. Step 6: Final answer
    x = 15,916.76

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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.