Home / 21,952.61-30,294.37-11,880.83

Finding the Fourth Proportional to 21,952.61, 30,294.37 and 11,880.83

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Solution

The fourth proportional to 21,952.61, 30,294.37 and 11,880.83 is: 16,395.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,952.61 : 30,294.37 = 11,880.83 : x
  2. Step 2: Convert to fraction form
    21,952.61/30,294.37 = 11,880.83/x
  3. Step 3: Cross multiply
    21,952.61x = 30,294.37 × 11,880.83
  4. Step 4: Simplify right side
    21,952.61x = 359,922,259.93
  5. Step 5: Solve for x
    x = 359,922,259.93/21,952.61
  6. Step 6: Final answer
    x = 16,395.42

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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.