Home / 13,183.20-19,774.80-6,271.20

Finding the Fourth Proportional to 13,183.20, 19,774.80 and 6,271.20

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Solution

The fourth proportional to 13,183.20, 19,774.80 and 6,271.20 is: 9,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.20 : 19,774.80 = 6,271.20 : x
  2. Step 2: Convert to fraction form
    13,183.20/19,774.80 = 6,271.20/x
  3. Step 3: Cross multiply
    13,183.20x = 19,774.80 × 6,271.20
  4. Step 4: Simplify right side
    13,183.20x = 124,011,725.76
  5. Step 5: Solve for x
    x = 124,011,725.76/13,183.20
  6. Step 6: Final answer
    x = 9,406.80

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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.