Home / 12,322.88-18,479.40-4,527.44

Finding the Fourth Proportional to 12,322.88, 18,479.40 and 4,527.44

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Solution

The fourth proportional to 12,322.88, 18,479.40 and 4,527.44 is: 6,789.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,322.88 : 18,479.40 = 4,527.44 : x
  2. Step 2: Convert to fraction form
    12,322.88/18,479.40 = 4,527.44/x
  3. Step 3: Cross multiply
    12,322.88x = 18,479.40 × 4,527.44
  4. Step 4: Simplify right side
    12,322.88x = 83,664,374.74
  5. Step 5: Solve for x
    x = 83,664,374.74/12,322.88
  6. Step 6: Final answer
    x = 6,789.35

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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.