Home / 8,674.32-13,011.53-2,100.50

Finding the Fourth Proportional to 8,674.32, 13,011.53 and 2,100.50

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Solution

The fourth proportional to 8,674.32, 13,011.53 and 2,100.50 is: 3,150.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.32 : 13,011.53 = 2,100.50 : x
  2. Step 2: Convert to fraction form
    8,674.32/13,011.53 = 2,100.50/x
  3. Step 3: Cross multiply
    8,674.32x = 13,011.53 × 2,100.50
  4. Step 4: Simplify right side
    8,674.32x = 27,330,692.00
  5. Step 5: Solve for x
    x = 27,330,692.00/8,674.32
  6. Step 6: Final answer
    x = 3,150.76

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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.