Home / 9,336.98-12,880.80-6,149.42

Finding the Fourth Proportional to 9,336.98, 12,880.80 and 6,149.42

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Solution

The fourth proportional to 9,336.98, 12,880.80 and 6,149.42 is: 8,483.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,336.98 : 12,880.80 = 6,149.42 : x
  2. Step 2: Convert to fraction form
    9,336.98/12,880.80 = 6,149.42/x
  3. Step 3: Cross multiply
    9,336.98x = 12,880.80 × 6,149.42
  4. Step 4: Simplify right side
    9,336.98x = 79,209,384.73
  5. Step 5: Solve for x
    x = 79,209,384.73/9,336.98
  6. Step 6: Final answer
    x = 8,483.41

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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.