Home / 13,254.03-19,880.59-3,393.39

Finding the Fourth Proportional to 13,254.03, 19,880.59 and 3,393.39

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Solution

The fourth proportional to 13,254.03, 19,880.59 and 3,393.39 is: 5,089.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.03 : 19,880.59 = 3,393.39 : x
  2. Step 2: Convert to fraction form
    13,254.03/19,880.59 = 3,393.39/x
  3. Step 3: Cross multiply
    13,254.03x = 19,880.59 × 3,393.39
  4. Step 4: Simplify right side
    13,254.03x = 67,462,595.30
  5. Step 5: Solve for x
    x = 67,462,595.30/13,254.03
  6. Step 6: Final answer
    x = 5,089.97

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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.