Home / 13,708.76-20,559.90-6,308.60

Finding the Fourth Proportional to 13,708.76, 20,559.90 and 6,308.60

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Solution

The fourth proportional to 13,708.76, 20,559.90 and 6,308.60 is: 9,461.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708.76 : 20,559.90 = 6,308.60 : x
  2. Step 2: Convert to fraction form
    13,708.76/20,559.90 = 6,308.60/x
  3. Step 3: Cross multiply
    13,708.76x = 20,559.90 × 6,308.60
  4. Step 4: Simplify right side
    13,708.76x = 129,704,185.14
  5. Step 5: Solve for x
    x = 129,704,185.14/13,708.76
  6. Step 6: Final answer
    x = 9,461.41

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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.