Home / 9,758.20-14,618.10-6,647.80

Finding the Fourth Proportional to 9,758.20, 14,618.10 and 6,647.80

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Solution

The fourth proportional to 9,758.20, 14,618.10 and 6,647.80 is: 9,958.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,758.20 : 14,618.10 = 6,647.80 : x
  2. Step 2: Convert to fraction form
    9,758.20/14,618.10 = 6,647.80/x
  3. Step 3: Cross multiply
    9,758.20x = 14,618.10 × 6,647.80
  4. Step 4: Simplify right side
    9,758.20x = 97,178,205.18
  5. Step 5: Solve for x
    x = 97,178,205.18/9,758.20
  6. Step 6: Final answer
    x = 9,958.62

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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.