Home / 8,443.60-12,665.40-6,803.35

Finding the Fourth Proportional to 8,443.60, 12,665.40 and 6,803.35

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Solution

The fourth proportional to 8,443.60, 12,665.40 and 6,803.35 is: 10,205.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443.60 : 12,665.40 = 6,803.35 : x
  2. Step 2: Convert to fraction form
    8,443.60/12,665.40 = 6,803.35/x
  3. Step 3: Cross multiply
    8,443.60x = 12,665.40 × 6,803.35
  4. Step 4: Simplify right side
    8,443.60x = 86,167,149.09
  5. Step 5: Solve for x
    x = 86,167,149.09/8,443.60
  6. Step 6: Final answer
    x = 10,205.03

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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.