Home / 19,367.28-26,726.86-10,983.78

Finding the Fourth Proportional to 19,367.28, 26,726.86 and 10,983.78

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Solution

The fourth proportional to 19,367.28, 26,726.86 and 10,983.78 is: 15,157.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,367.28 : 26,726.86 = 10,983.78 : x
  2. Step 2: Convert to fraction form
    19,367.28/26,726.86 = 10,983.78/x
  3. Step 3: Cross multiply
    19,367.28x = 26,726.86 × 10,983.78
  4. Step 4: Simplify right side
    19,367.28x = 293,561,950.33
  5. Step 5: Solve for x
    x = 293,561,950.33/19,367.28
  6. Step 6: Final answer
    x = 15,157.62

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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.