Home / 8,152.40-12,214.20-6,683.60

Finding the Fourth Proportional to 8,152.40, 12,214.20 and 6,683.60

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Solution

The fourth proportional to 8,152.40, 12,214.20 and 6,683.60 is: 10,013.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,152.40 : 12,214.20 = 6,683.60 : x
  2. Step 2: Convert to fraction form
    8,152.40/12,214.20 = 6,683.60/x
  3. Step 3: Cross multiply
    8,152.40x = 12,214.20 × 6,683.60
  4. Step 4: Simplify right side
    8,152.40x = 81,634,827.12
  5. Step 5: Solve for x
    x = 81,634,827.12/8,152.40
  6. Step 6: Final answer
    x = 10,013.59

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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.