Home / 19,964.24-27,561.90-13,259.04

Finding the Fourth Proportional to 19,964.24, 27,561.90 and 13,259.04

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Solution

The fourth proportional to 19,964.24, 27,561.90 and 13,259.04 is: 18,304.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.24 : 27,561.90 = 13,259.04 : x
  2. Step 2: Convert to fraction form
    19,964.24/27,561.90 = 13,259.04/x
  3. Step 3: Cross multiply
    19,964.24x = 27,561.90 × 13,259.04
  4. Step 4: Simplify right side
    19,964.24x = 365,444,334.58
  5. Step 5: Solve for x
    x = 365,444,334.58/19,964.24
  6. Step 6: Final answer
    x = 18,304.95

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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.