Home / 12,470.49-17,212.10-8,493.19

Finding the Fourth Proportional to 12,470.49, 17,212.10 and 8,493.19

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Solution

The fourth proportional to 12,470.49, 17,212.10 and 8,493.19 is: 11,722.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.49 : 17,212.10 = 8,493.19 : x
  2. Step 2: Convert to fraction form
    12,470.49/17,212.10 = 8,493.19/x
  3. Step 3: Cross multiply
    12,470.49x = 17,212.10 × 8,493.19
  4. Step 4: Simplify right side
    12,470.49x = 146,185,550.10
  5. Step 5: Solve for x
    x = 146,185,550.10/12,470.49
  6. Step 6: Final answer
    x = 11,722.52

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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.