Home / 13,200.21-19,786.45-4,874.92

Finding the Fourth Proportional to 13,200.21, 19,786.45 and 4,874.92

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Solution

The fourth proportional to 13,200.21, 19,786.45 and 4,874.92 is: 7,307.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200.21 : 19,786.45 = 4,874.92 : x
  2. Step 2: Convert to fraction form
    13,200.21/19,786.45 = 4,874.92/x
  3. Step 3: Cross multiply
    13,200.21x = 19,786.45 × 4,874.92
  4. Step 4: Simplify right side
    13,200.21x = 96,457,360.83
  5. Step 5: Solve for x
    x = 96,457,360.83/13,200.21
  6. Step 6: Final answer
    x = 7,307.26

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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.