Home / 13,749.58-20,626.61-4,259.68

Finding the Fourth Proportional to 13,749.58, 20,626.61 and 4,259.68

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Solution

The fourth proportional to 13,749.58, 20,626.61 and 4,259.68 is: 6,390.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749.58 : 20,626.61 = 4,259.68 : x
  2. Step 2: Convert to fraction form
    13,749.58/20,626.61 = 4,259.68/x
  3. Step 3: Cross multiply
    13,749.58x = 20,626.61 × 4,259.68
  4. Step 4: Simplify right side
    13,749.58x = 87,862,758.08
  5. Step 5: Solve for x
    x = 87,862,758.08/13,749.58
  6. Step 6: Final answer
    x = 6,390.21

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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.