Home / 13,452.84-18,554.40-8,738.64

Finding the Fourth Proportional to 13,452.84, 18,554.40 and 8,738.64

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Solution

The fourth proportional to 13,452.84, 18,554.40 and 8,738.64 is: 12,052.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452.84 : 18,554.40 = 8,738.64 : x
  2. Step 2: Convert to fraction form
    13,452.84/18,554.40 = 8,738.64/x
  3. Step 3: Cross multiply
    13,452.84x = 18,554.40 × 8,738.64
  4. Step 4: Simplify right side
    13,452.84x = 162,140,222.02
  5. Step 5: Solve for x
    x = 162,140,222.02/13,452.84
  6. Step 6: Final answer
    x = 12,052.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.