Home / 12,071.79-18,104.90-3,307.41

Finding the Fourth Proportional to 12,071.79, 18,104.90 and 3,307.41

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Solution

The fourth proportional to 12,071.79, 18,104.90 and 3,307.41 is: 4,960.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.79 : 18,104.90 = 3,307.41 : x
  2. Step 2: Convert to fraction form
    12,071.79/18,104.90 = 3,307.41/x
  3. Step 3: Cross multiply
    12,071.79x = 18,104.90 × 3,307.41
  4. Step 4: Simplify right side
    12,071.79x = 59,880,310.77
  5. Step 5: Solve for x
    x = 59,880,310.77/12,071.79
  6. Step 6: Final answer
    x = 4,960.35

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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.