Home / 21,952.66-30,294.44-11,880.88

Finding the Fourth Proportional to 21,952.66, 30,294.44 and 11,880.88

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Solution

The fourth proportional to 21,952.66, 30,294.44 and 11,880.88 is: 16,395.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,952.66 : 30,294.44 = 11,880.88 : x
  2. Step 2: Convert to fraction form
    21,952.66/30,294.44 = 11,880.88/x
  3. Step 3: Cross multiply
    21,952.66x = 30,294.44 × 11,880.88
  4. Step 4: Simplify right side
    21,952.66x = 359,924,606.31
  5. Step 5: Solve for x
    x = 359,924,606.31/21,952.66
  6. Step 6: Final answer
    x = 16,395.49

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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.