Home / 13,504.90-20,260.35-5,184.94

Finding the Fourth Proportional to 13,504.90, 20,260.35 and 5,184.94

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Solution

The fourth proportional to 13,504.90, 20,260.35 and 5,184.94 is: 7,778.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504.90 : 20,260.35 = 5,184.94 : x
  2. Step 2: Convert to fraction form
    13,504.90/20,260.35 = 5,184.94/x
  3. Step 3: Cross multiply
    13,504.90x = 20,260.35 × 5,184.94
  4. Step 4: Simplify right side
    13,504.90x = 105,048,644.07
  5. Step 5: Solve for x
    x = 105,048,644.07/13,504.90
  6. Step 6: Final answer
    x = 7,778.56

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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.