Home / 13,707.36-20,561.58-6,209.46

Finding the Fourth Proportional to 13,707.36, 20,561.58 and 6,209.46

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Solution

The fourth proportional to 13,707.36, 20,561.58 and 6,209.46 is: 9,314.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,707.36 : 20,561.58 = 6,209.46 : x
  2. Step 2: Convert to fraction form
    13,707.36/20,561.58 = 6,209.46/x
  3. Step 3: Cross multiply
    13,707.36x = 20,561.58 × 6,209.46
  4. Step 4: Simplify right side
    13,707.36x = 127,676,308.55
  5. Step 5: Solve for x
    x = 127,676,308.55/13,707.36
  6. Step 6: Final answer
    x = 9,314.43

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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.