Home / 9,147.42-13,706.54-5,857.80

Finding the Fourth Proportional to 9,147.42, 13,706.54 and 5,857.80

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Solution

The fourth proportional to 9,147.42, 13,706.54 and 5,857.80 is: 8,777.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.42 : 13,706.54 = 5,857.80 : x
  2. Step 2: Convert to fraction form
    9,147.42/13,706.54 = 5,857.80/x
  3. Step 3: Cross multiply
    9,147.42x = 13,706.54 × 5,857.80
  4. Step 4: Simplify right side
    9,147.42x = 80,290,140.72
  5. Step 5: Solve for x
    x = 80,290,140.72/9,147.42
  6. Step 6: Final answer
    x = 8,777.35

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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.