Home / 13,268.13-19,897.58-4,381.56

Finding the Fourth Proportional to 13,268.13, 19,897.58 and 4,381.56

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Solution

The fourth proportional to 13,268.13, 19,897.58 and 4,381.56 is: 6,570.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.13 : 19,897.58 = 4,381.56 : x
  2. Step 2: Convert to fraction form
    13,268.13/19,897.58 = 4,381.56/x
  3. Step 3: Cross multiply
    13,268.13x = 19,897.58 × 4,381.56
  4. Step 4: Simplify right side
    13,268.13x = 87,182,418.72
  5. Step 5: Solve for x
    x = 87,182,418.72/13,268.13
  6. Step 6: Final answer
    x = 6,570.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.