Home / 14,184.11-21,279.59-4,322.79

Finding the Fourth Proportional to 14,184.11, 21,279.59 and 4,322.79

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Solution

The fourth proportional to 14,184.11, 21,279.59 and 4,322.79 is: 6,485.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.11 : 21,279.59 = 4,322.79 : x
  2. Step 2: Convert to fraction form
    14,184.11/21,279.59 = 4,322.79/x
  3. Step 3: Cross multiply
    14,184.11x = 21,279.59 × 4,322.79
  4. Step 4: Simplify right side
    14,184.11x = 91,987,193.45
  5. Step 5: Solve for x
    x = 91,987,193.45/14,184.11
  6. Step 6: Final answer
    x = 6,485.23

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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.