Home / 12,153.29-16,771.48-6,775.66

Finding the Fourth Proportional to 12,153.29, 16,771.48 and 6,775.66

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Solution

The fourth proportional to 12,153.29, 16,771.48 and 6,775.66 is: 9,350.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,153.29 : 16,771.48 = 6,775.66 : x
  2. Step 2: Convert to fraction form
    12,153.29/16,771.48 = 6,775.66/x
  3. Step 3: Cross multiply
    12,153.29x = 16,771.48 × 6,775.66
  4. Step 4: Simplify right side
    12,153.29x = 113,637,846.18
  5. Step 5: Solve for x
    x = 113,637,846.18/12,153.29
  6. Step 6: Final answer
    x = 9,350.38

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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.