Home / 19,964.94-27,526.32-13,157.90

Finding the Fourth Proportional to 19,964.94, 27,526.32 and 13,157.90

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Solution

The fourth proportional to 19,964.94, 27,526.32 and 13,157.90 is: 18,141.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.94 : 27,526.32 = 13,157.90 : x
  2. Step 2: Convert to fraction form
    19,964.94/27,526.32 = 13,157.90/x
  3. Step 3: Cross multiply
    19,964.94x = 27,526.32 × 13,157.90
  4. Step 4: Simplify right side
    19,964.94x = 362,188,565.93
  5. Step 5: Solve for x
    x = 362,188,565.93/19,964.94
  6. Step 6: Final answer
    x = 18,141.23

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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.