Home / 13,749.12-20,619.36-5,950.08

Finding the Fourth Proportional to 13,749.12, 20,619.36 and 5,950.08

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Solution

The fourth proportional to 13,749.12, 20,619.36 and 5,950.08 is: 8,923.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749.12 : 20,619.36 = 5,950.08 : x
  2. Step 2: Convert to fraction form
    13,749.12/20,619.36 = 5,950.08/x
  3. Step 3: Cross multiply
    13,749.12x = 20,619.36 × 5,950.08
  4. Step 4: Simplify right side
    13,749.12x = 122,686,841.55
  5. Step 5: Solve for x
    x = 122,686,841.55/13,749.12
  6. Step 6: Final answer
    x = 8,923.25

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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.