Home / 12,579.81-17,360.08-6,914.94

Finding the Fourth Proportional to 12,579.81, 17,360.08 and 6,914.94

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Solution

The fourth proportional to 12,579.81, 17,360.08 and 6,914.94 is: 9,542.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,579.81 : 17,360.08 = 6,914.94 : x
  2. Step 2: Convert to fraction form
    12,579.81/17,360.08 = 6,914.94/x
  3. Step 3: Cross multiply
    12,579.81x = 17,360.08 × 6,914.94
  4. Step 4: Simplify right side
    12,579.81x = 120,043,911.60
  5. Step 5: Solve for x
    x = 120,043,911.60/12,579.81
  6. Step 6: Final answer
    x = 9,542.59

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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.