Home / 8,203.05-12,316.95-6,554.70

Finding the Fourth Proportional to 8,203.05, 12,316.95 and 6,554.70

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Solution

The fourth proportional to 8,203.05, 12,316.95 and 6,554.70 is: 9,841.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203.05 : 12,316.95 = 6,554.70 : x
  2. Step 2: Convert to fraction form
    8,203.05/12,316.95 = 6,554.70/x
  3. Step 3: Cross multiply
    8,203.05x = 12,316.95 × 6,554.70
  4. Step 4: Simplify right side
    8,203.05x = 80,733,912.17
  5. Step 5: Solve for x
    x = 80,733,912.17/8,203.05
  6. Step 6: Final answer
    x = 9,841.94

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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.