Home / 13,507.03-20,246.69-5,184.80

Finding the Fourth Proportional to 13,507.03, 20,246.69 and 5,184.80

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Solution

The fourth proportional to 13,507.03, 20,246.69 and 5,184.80 is: 7,771.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507.03 : 20,246.69 = 5,184.80 : x
  2. Step 2: Convert to fraction form
    13,507.03/20,246.69 = 5,184.80/x
  3. Step 3: Cross multiply
    13,507.03x = 20,246.69 × 5,184.80
  4. Step 4: Simplify right side
    13,507.03x = 104,975,063.00
  5. Step 5: Solve for x
    x = 104,975,063.00/13,507.03
  6. Step 6: Final answer
    x = 7,771.88

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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.