Home / 12,352.70-18,492.60-8,197.40

Finding the Fourth Proportional to 12,352.70, 18,492.60 and 8,197.40

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Solution

The fourth proportional to 12,352.70, 18,492.60 and 8,197.40 is: 12,271.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,352.70 : 18,492.60 = 8,197.40 : x
  2. Step 2: Convert to fraction form
    12,352.70/18,492.60 = 8,197.40/x
  3. Step 3: Cross multiply
    12,352.70x = 18,492.60 × 8,197.40
  4. Step 4: Simplify right side
    12,352.70x = 151,591,239.24
  5. Step 5: Solve for x
    x = 151,591,239.24/12,352.70
  6. Step 6: Final answer
    x = 12,271.91

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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.