Home / 12,156.04-16,775.37-6,850.94

Finding the Fourth Proportional to 12,156.04, 16,775.37 and 6,850.94

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Solution

The fourth proportional to 12,156.04, 16,775.37 and 6,850.94 is: 9,454.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,156.04 : 16,775.37 = 6,850.94 : x
  2. Step 2: Convert to fraction form
    12,156.04/16,775.37 = 6,850.94/x
  3. Step 3: Cross multiply
    12,156.04x = 16,775.37 × 6,850.94
  4. Step 4: Simplify right side
    12,156.04x = 114,927,053.35
  5. Step 5: Solve for x
    x = 114,927,053.35/12,156.04
  6. Step 6: Final answer
    x = 9,454.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.