Home / 13,208.59-18,197.22-9,223.39

Finding the Fourth Proportional to 13,208.59, 18,197.22 and 9,223.39

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Solution

The fourth proportional to 13,208.59, 18,197.22 and 9,223.39 is: 12,706.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208.59 : 18,197.22 = 9,223.39 : x
  2. Step 2: Convert to fraction form
    13,208.59/18,197.22 = 9,223.39/x
  3. Step 3: Cross multiply
    13,208.59x = 18,197.22 × 9,223.39
  4. Step 4: Simplify right side
    13,208.59x = 167,840,056.98
  5. Step 5: Solve for x
    x = 167,840,056.98/13,208.59
  6. Step 6: Final answer
    x = 12,706.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.