Home / 11,145.84-16,698.26-6,985.07

Finding the Fourth Proportional to 11,145.84, 16,698.26 and 6,985.07

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Solution

The fourth proportional to 11,145.84, 16,698.26 and 6,985.07 is: 10,464.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.84 : 16,698.26 = 6,985.07 : x
  2. Step 2: Convert to fraction form
    11,145.84/16,698.26 = 6,985.07/x
  3. Step 3: Cross multiply
    11,145.84x = 16,698.26 × 6,985.07
  4. Step 4: Simplify right side
    11,145.84x = 116,638,396.56
  5. Step 5: Solve for x
    x = 116,638,396.56/11,145.84
  6. Step 6: Final answer
    x = 10,464.75

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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.