Home / 13,087.21-19,633.64-4,200.46

Finding the Fourth Proportional to 13,087.21, 19,633.64 and 4,200.46

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Solution

The fourth proportional to 13,087.21, 19,633.64 and 4,200.46 is: 6,301.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087.21 : 19,633.64 = 4,200.46 : x
  2. Step 2: Convert to fraction form
    13,087.21/19,633.64 = 4,200.46/x
  3. Step 3: Cross multiply
    13,087.21x = 19,633.64 × 4,200.46
  4. Step 4: Simplify right side
    13,087.21x = 82,470,319.47
  5. Step 5: Solve for x
    x = 82,470,319.47/13,087.21
  6. Step 6: Final answer
    x = 6,301.60

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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.