Home / 13,336.55-18,404.63-7,368.35

Finding the Fourth Proportional to 13,336.55, 18,404.63 and 7,368.35

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Solution

The fourth proportional to 13,336.55, 18,404.63 and 7,368.35 is: 10,168.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.55 : 18,404.63 = 7,368.35 : x
  2. Step 2: Convert to fraction form
    13,336.55/18,404.63 = 7,368.35/x
  3. Step 3: Cross multiply
    13,336.55x = 18,404.63 × 7,368.35
  4. Step 4: Simplify right side
    13,336.55x = 135,611,766.94
  5. Step 5: Solve for x
    x = 135,611,766.94/13,336.55
  6. Step 6: Final answer
    x = 10,168.43

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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.