Home / 8,623.34-12,935.10-6,902.90

Finding the Fourth Proportional to 8,623.34, 12,935.10 and 6,902.90

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Solution

The fourth proportional to 8,623.34, 12,935.10 and 6,902.90 is: 10,354.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.34 : 12,935.10 = 6,902.90 : x
  2. Step 2: Convert to fraction form
    8,623.34/12,935.10 = 6,902.90/x
  3. Step 3: Cross multiply
    8,623.34x = 12,935.10 × 6,902.90
  4. Step 4: Simplify right side
    8,623.34x = 89,289,701.79
  5. Step 5: Solve for x
    x = 89,289,701.79/8,623.34
  6. Step 6: Final answer
    x = 10,354.42

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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.