Home / 13,394.04-20,090.86-4,511.34

Finding the Fourth Proportional to 13,394.04, 20,090.86 and 4,511.34

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Solution

The fourth proportional to 13,394.04, 20,090.86 and 4,511.34 is: 6,766.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394.04 : 20,090.86 = 4,511.34 : x
  2. Step 2: Convert to fraction form
    13,394.04/20,090.86 = 4,511.34/x
  3. Step 3: Cross multiply
    13,394.04x = 20,090.86 × 4,511.34
  4. Step 4: Simplify right side
    13,394.04x = 90,636,700.35
  5. Step 5: Solve for x
    x = 90,636,700.35/13,394.04
  6. Step 6: Final answer
    x = 6,766.94

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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.