Home / 19,310.76-26,648.34-11,351.16

Finding the Fourth Proportional to 19,310.76, 26,648.34 and 11,351.16

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Solution

The fourth proportional to 19,310.76, 26,648.34 and 11,351.16 is: 15,664.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310.76 : 26,648.34 = 11,351.16 : x
  2. Step 2: Convert to fraction form
    19,310.76/26,648.34 = 11,351.16/x
  3. Step 3: Cross multiply
    19,310.76x = 26,648.34 × 11,351.16
  4. Step 4: Simplify right side
    19,310.76x = 302,489,571.07
  5. Step 5: Solve for x
    x = 302,489,571.07/19,310.76
  6. Step 6: Final answer
    x = 15,664.30

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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.