Home / 11,627.82-16,038.26-7,647.66

Finding the Fourth Proportional to 11,627.82, 16,038.26 and 7,647.66

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Solution

The fourth proportional to 11,627.82, 16,038.26 and 7,647.66 is: 10,548.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,627.82 : 16,038.26 = 7,647.66 : x
  2. Step 2: Convert to fraction form
    11,627.82/16,038.26 = 7,647.66/x
  3. Step 3: Cross multiply
    11,627.82x = 16,038.26 × 7,647.66
  4. Step 4: Simplify right side
    11,627.82x = 122,655,159.47
  5. Step 5: Solve for x
    x = 122,655,159.47/11,627.82
  6. Step 6: Final answer
    x = 10,548.42

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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.