Home / 19,376.07-26,739.86-11,418.63

Finding the Fourth Proportional to 19,376.07, 26,739.86 and 11,418.63

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Solution

The fourth proportional to 19,376.07, 26,739.86 and 11,418.63 is: 15,758.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,376.07 : 26,739.86 = 11,418.63 : x
  2. Step 2: Convert to fraction form
    19,376.07/26,739.86 = 11,418.63/x
  3. Step 3: Cross multiply
    19,376.07x = 26,739.86 × 11,418.63
  4. Step 4: Simplify right side
    19,376.07x = 305,332,510.50
  5. Step 5: Solve for x
    x = 305,332,510.50/19,376.07
  6. Step 6: Final answer
    x = 15,758.23

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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.