Home / 12,204.60-18,307.80-4,412.40

Finding the Fourth Proportional to 12,204.60, 18,307.80 and 4,412.40

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Solution

The fourth proportional to 12,204.60, 18,307.80 and 4,412.40 is: 6,618.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204.60 : 18,307.80 = 4,412.40 : x
  2. Step 2: Convert to fraction form
    12,204.60/18,307.80 = 4,412.40/x
  3. Step 3: Cross multiply
    12,204.60x = 18,307.80 × 4,412.40
  4. Step 4: Simplify right side
    12,204.60x = 80,781,336.72
  5. Step 5: Solve for x
    x = 80,781,336.72/12,204.60
  6. Step 6: Final answer
    x = 6,618.93

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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.