Home / 12,636.24-19,027.86-9,372.48

Finding the Fourth Proportional to 12,636.24, 19,027.86 and 9,372.48

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Solution

The fourth proportional to 12,636.24, 19,027.86 and 9,372.48 is: 14,113.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,636.24 : 19,027.86 = 9,372.48 : x
  2. Step 2: Convert to fraction form
    12,636.24/19,027.86 = 9,372.48/x
  3. Step 3: Cross multiply
    12,636.24x = 19,027.86 × 9,372.48
  4. Step 4: Simplify right side
    12,636.24x = 178,338,237.29
  5. Step 5: Solve for x
    x = 178,338,237.29/12,636.24
  6. Step 6: Final answer
    x = 14,113.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.