Home / 13,254.05-19,880.97-3,393.30

Finding the Fourth Proportional to 13,254.05, 19,880.97 and 3,393.30

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Solution

The fourth proportional to 13,254.05, 19,880.97 and 3,393.30 is: 5,089.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.05 : 19,880.97 = 3,393.30 : x
  2. Step 2: Convert to fraction form
    13,254.05/19,880.97 = 3,393.30/x
  3. Step 3: Cross multiply
    13,254.05x = 19,880.97 × 3,393.30
  4. Step 4: Simplify right side
    13,254.05x = 67,462,095.50
  5. Step 5: Solve for x
    x = 67,462,095.50/13,254.05
  6. Step 6: Final answer
    x = 5,089.92

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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.