Home / 11,177.90-16,756.41-4,156.21

Finding the Fourth Proportional to 11,177.90, 16,756.41 and 4,156.21

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Solution

The fourth proportional to 11,177.90, 16,756.41 and 4,156.21 is: 6,230.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.90 : 16,756.41 = 4,156.21 : x
  2. Step 2: Convert to fraction form
    11,177.90/16,756.41 = 4,156.21/x
  3. Step 3: Cross multiply
    11,177.90x = 16,756.41 × 4,156.21
  4. Step 4: Simplify right side
    11,177.90x = 69,643,075.02
  5. Step 5: Solve for x
    x = 69,643,075.02/11,177.90
  6. Step 6: Final answer
    x = 6,230.43

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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.