Home / 12,518.70-17,277.66-7,212.66

Finding the Fourth Proportional to 12,518.70, 17,277.66 and 7,212.66

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Solution

The fourth proportional to 12,518.70, 17,277.66 and 7,212.66 is: 9,954.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,518.70 : 17,277.66 = 7,212.66 : x
  2. Step 2: Convert to fraction form
    12,518.70/17,277.66 = 7,212.66/x
  3. Step 3: Cross multiply
    12,518.70x = 17,277.66 × 7,212.66
  4. Step 4: Simplify right side
    12,518.70x = 124,617,887.18
  5. Step 5: Solve for x
    x = 124,617,887.18/12,518.70
  6. Step 6: Final answer
    x = 9,954.54

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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.