Home / 12,367.61-18,558.32-12,267.19

Finding the Fourth Proportional to 12,367.61, 18,558.32 and 12,267.19

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Solution

The fourth proportional to 12,367.61, 18,558.32 and 12,267.19 is: 18,407.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367.61 : 18,558.32 = 12,267.19 : x
  2. Step 2: Convert to fraction form
    12,367.61/18,558.32 = 12,267.19/x
  3. Step 3: Cross multiply
    12,367.61x = 18,558.32 × 12,267.19
  4. Step 4: Simplify right side
    12,367.61x = 227,658,283.39
  5. Step 5: Solve for x
    x = 227,658,283.39/12,367.61
  6. Step 6: Final answer
    x = 18,407.63

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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.