Home / 9,189.30-13,784.16-2,615.70

Finding the Fourth Proportional to 9,189.30, 13,784.16 and 2,615.70

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Solution

The fourth proportional to 9,189.30, 13,784.16 and 2,615.70 is: 3,923.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189.30 : 13,784.16 = 2,615.70 : x
  2. Step 2: Convert to fraction form
    9,189.30/13,784.16 = 2,615.70/x
  3. Step 3: Cross multiply
    9,189.30x = 13,784.16 × 2,615.70
  4. Step 4: Simplify right side
    9,189.30x = 36,055,196.56
  5. Step 5: Solve for x
    x = 36,055,196.56/9,189.30
  6. Step 6: Final answer
    x = 3,923.60

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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.