Home / 8,114.90-12,148.62-7,336.70

Finding the Fourth Proportional to 8,114.90, 12,148.62 and 7,336.70

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Solution

The fourth proportional to 8,114.90, 12,148.62 and 7,336.70 is: 10,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114.90 : 12,148.62 = 7,336.70 : x
  2. Step 2: Convert to fraction form
    8,114.90/12,148.62 = 7,336.70/x
  3. Step 3: Cross multiply
    8,114.90x = 12,148.62 × 7,336.70
  4. Step 4: Simplify right side
    8,114.90x = 89,130,780.35
  5. Step 5: Solve for x
    x = 89,130,780.35/8,114.90
  6. Step 6: Final answer
    x = 10,983.60

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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.