Home / 12,058.22-16,642.31-7,212.65

Finding the Fourth Proportional to 12,058.22, 16,642.31 and 7,212.65

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Solution

The fourth proportional to 12,058.22, 16,642.31 and 7,212.65 is: 9,954.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,058.22 : 16,642.31 = 7,212.65 : x
  2. Step 2: Convert to fraction form
    12,058.22/16,642.31 = 7,212.65/x
  3. Step 3: Cross multiply
    12,058.22x = 16,642.31 × 7,212.65
  4. Step 4: Simplify right side
    12,058.22x = 120,035,037.95
  5. Step 5: Solve for x
    x = 120,035,037.95/12,058.22
  6. Step 6: Final answer
    x = 9,954.62

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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.