Home / 9,389.03-12,955.96-5,611.44

Finding the Fourth Proportional to 9,389.03, 12,955.96 and 5,611.44

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Solution

The fourth proportional to 9,389.03, 12,955.96 and 5,611.44 is: 7,743.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,389.03 : 12,955.96 = 5,611.44 : x
  2. Step 2: Convert to fraction form
    9,389.03/12,955.96 = 5,611.44/x
  3. Step 3: Cross multiply
    9,389.03x = 12,955.96 × 5,611.44
  4. Step 4: Simplify right side
    9,389.03x = 72,701,604.87
  5. Step 5: Solve for x
    x = 72,701,604.87/9,389.03
  6. Step 6: Final answer
    x = 7,743.25

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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.