Home / 12,364.56-18,549.72-3,600.40

Finding the Fourth Proportional to 12,364.56, 18,549.72 and 3,600.40

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Solution

The fourth proportional to 12,364.56, 18,549.72 and 3,600.40 is: 5,401.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,364.56 : 18,549.72 = 3,600.40 : x
  2. Step 2: Convert to fraction form
    12,364.56/18,549.72 = 3,600.40/x
  3. Step 3: Cross multiply
    12,364.56x = 18,549.72 × 3,600.40
  4. Step 4: Simplify right side
    12,364.56x = 66,786,411.89
  5. Step 5: Solve for x
    x = 66,786,411.89/12,364.56
  6. Step 6: Final answer
    x = 5,401.44

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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.