Home / 19,396.80-26,764.36-11,437.92

Finding the Fourth Proportional to 19,396.80, 26,764.36 and 11,437.92

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Solution

The fourth proportional to 19,396.80, 26,764.36 and 11,437.92 is: 15,782.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,396.80 : 26,764.36 = 11,437.92 : x
  2. Step 2: Convert to fraction form
    19,396.80/26,764.36 = 11,437.92/x
  3. Step 3: Cross multiply
    19,396.80x = 26,764.36 × 11,437.92
  4. Step 4: Simplify right side
    19,396.80x = 306,128,608.53
  5. Step 5: Solve for x
    x = 306,128,608.53/19,396.80
  6. Step 6: Final answer
    x = 15,782.43

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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.