Home / 11,114.53-16,643.58-6,669.40

Finding the Fourth Proportional to 11,114.53, 16,643.58 and 6,669.40

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Solution

The fourth proportional to 11,114.53, 16,643.58 and 6,669.40 is: 9,987.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.53 : 16,643.58 = 6,669.40 : x
  2. Step 2: Convert to fraction form
    11,114.53/16,643.58 = 6,669.40/x
  3. Step 3: Cross multiply
    11,114.53x = 16,643.58 × 6,669.40
  4. Step 4: Simplify right side
    11,114.53x = 111,002,692.45
  5. Step 5: Solve for x
    x = 111,002,692.45/11,114.53
  6. Step 6: Final answer
    x = 9,987.17

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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.