Home / 9,739.20-14,601.60-6,611.40

Finding the Fourth Proportional to 9,739.20, 14,601.60 and 6,611.40

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Solution

The fourth proportional to 9,739.20, 14,601.60 and 6,611.40 is: 9,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,739.20 : 14,601.60 = 6,611.40 : x
  2. Step 2: Convert to fraction form
    9,739.20/14,601.60 = 6,611.40/x
  3. Step 3: Cross multiply
    9,739.20x = 14,601.60 × 6,611.40
  4. Step 4: Simplify right side
    9,739.20x = 96,537,018.24
  5. Step 5: Solve for x
    x = 96,537,018.24/9,739.20
  6. Step 6: Final answer
    x = 9,912.21

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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.