Home / 12,675.12-19,029.12-9,755.52

Finding the Fourth Proportional to 12,675.12, 19,029.12 and 9,755.52

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Solution

The fourth proportional to 12,675.12, 19,029.12 and 9,755.52 is: 14,645.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.12 : 19,029.12 = 9,755.52 : x
  2. Step 2: Convert to fraction form
    12,675.12/19,029.12 = 9,755.52/x
  3. Step 3: Cross multiply
    12,675.12x = 19,029.12 × 9,755.52
  4. Step 4: Simplify right side
    12,675.12x = 185,638,960.74
  5. Step 5: Solve for x
    x = 185,638,960.74/12,675.12
  6. Step 6: Final answer
    x = 14,645.93

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1.5x scale

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.