Home / 9,190.20-13,799.70-6,281.40

Finding the Fourth Proportional to 9,190.20, 13,799.70 and 6,281.40

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Solution

The fourth proportional to 9,190.20, 13,799.70 and 6,281.40 is: 9,431.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.20 : 13,799.70 = 6,281.40 : x
  2. Step 2: Convert to fraction form
    9,190.20/13,799.70 = 6,281.40/x
  3. Step 3: Cross multiply
    9,190.20x = 13,799.70 × 6,281.40
  4. Step 4: Simplify right side
    9,190.20x = 86,681,435.58
  5. Step 5: Solve for x
    x = 86,681,435.58/9,190.20
  6. Step 6: Final answer
    x = 9,431.94

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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.