Home / 13,260.66-19,886.94-4,493.22

Finding the Fourth Proportional to 13,260.66, 19,886.94 and 4,493.22

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Solution

The fourth proportional to 13,260.66, 19,886.94 and 4,493.22 is: 6,738.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.66 : 19,886.94 = 4,493.22 : x
  2. Step 2: Convert to fraction form
    13,260.66/19,886.94 = 4,493.22/x
  3. Step 3: Cross multiply
    13,260.66x = 19,886.94 × 4,493.22
  4. Step 4: Simplify right side
    13,260.66x = 89,356,396.55
  5. Step 5: Solve for x
    x = 89,356,396.55/13,260.66
  6. Step 6: Final answer
    x = 6,738.46

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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.