Home / 12,330.33-18,517.65-11,341.35

Finding the Fourth Proportional to 12,330.33, 18,517.65 and 11,341.35

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Solution

The fourth proportional to 12,330.33, 18,517.65 and 11,341.35 is: 17,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.33 : 18,517.65 = 11,341.35 : x
  2. Step 2: Convert to fraction form
    12,330.33/18,517.65 = 11,341.35/x
  3. Step 3: Cross multiply
    12,330.33x = 18,517.65 × 11,341.35
  4. Step 4: Simplify right side
    12,330.33x = 210,015,149.83
  5. Step 5: Solve for x
    x = 210,015,149.83/12,330.33
  6. Step 6: Final answer
    x = 17,032.40

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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.