Home / 8,302.08-12,431.14-6,847.72

Finding the Fourth Proportional to 8,302.08, 12,431.14 and 6,847.72

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Solution

The fourth proportional to 8,302.08, 12,431.14 and 6,847.72 is: 10,253.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.08 : 12,431.14 = 6,847.72 : x
  2. Step 2: Convert to fraction form
    8,302.08/12,431.14 = 6,847.72/x
  3. Step 3: Cross multiply
    8,302.08x = 12,431.14 × 6,847.72
  4. Step 4: Simplify right side
    8,302.08x = 85,124,966.00
  5. Step 5: Solve for x
    x = 85,124,966.00/8,302.08
  6. Step 6: Final answer
    x = 10,253.45

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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.