Home / 10,778.00-16,166.99-6,404.00

Finding the Fourth Proportional to 10,778.00, 16,166.99 and 6,404.00

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Solution

The fourth proportional to 10,778.00, 16,166.99 and 6,404.00 is: 9,605.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778.00 : 16,166.99 = 6,404.00 : x
  2. Step 2: Convert to fraction form
    10,778.00/16,166.99 = 6,404.00/x
  3. Step 3: Cross multiply
    10,778.00x = 16,166.99 × 6,404.00
  4. Step 4: Simplify right side
    10,778.00x = 103,533,339.14
  5. Step 5: Solve for x
    x = 103,533,339.14/10,778.00
  6. Step 6: Final answer
    x = 9,605.99

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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.