Home / 13,306.95-19,965.73-5,410.05

Finding the Fourth Proportional to 13,306.95, 19,965.73 and 5,410.05

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Solution

The fourth proportional to 13,306.95, 19,965.73 and 5,410.05 is: 8,117.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.95 : 19,965.73 = 5,410.05 : x
  2. Step 2: Convert to fraction form
    13,306.95/19,965.73 = 5,410.05/x
  3. Step 3: Cross multiply
    13,306.95x = 19,965.73 × 5,410.05
  4. Step 4: Simplify right side
    13,306.95x = 108,015,597.59
  5. Step 5: Solve for x
    x = 108,015,597.59/13,306.95
  6. Step 6: Final answer
    x = 8,117.23

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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.