Home / 11,592.21-17,389.65-4,200.15

Finding the Fourth Proportional to 11,592.21, 17,389.65 and 4,200.15

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Solution

The fourth proportional to 11,592.21, 17,389.65 and 4,200.15 is: 6,300.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,592.21 : 17,389.65 = 4,200.15 : x
  2. Step 2: Convert to fraction form
    11,592.21/17,389.65 = 4,200.15/x
  3. Step 3: Cross multiply
    11,592.21x = 17,389.65 × 4,200.15
  4. Step 4: Simplify right side
    11,592.21x = 73,039,138.45
  5. Step 5: Solve for x
    x = 73,039,138.45/11,592.21
  6. Step 6: Final answer
    x = 6,300.71

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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.