Home / 19,679.47-27,157.95-10,726.97

Finding the Fourth Proportional to 19,679.47, 27,157.95 and 10,726.97

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Solution

The fourth proportional to 19,679.47, 27,157.95 and 10,726.97 is: 14,803.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679.47 : 27,157.95 = 10,726.97 : x
  2. Step 2: Convert to fraction form
    19,679.47/27,157.95 = 10,726.97/x
  3. Step 3: Cross multiply
    19,679.47x = 27,157.95 × 10,726.97
  4. Step 4: Simplify right side
    19,679.47x = 291,322,609.62
  5. Step 5: Solve for x
    x = 291,322,609.62/19,679.47
  6. Step 6: Final answer
    x = 14,803.38

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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.