Home / 11,812.75-16,301.60-6,507.55

Finding the Fourth Proportional to 11,812.75, 16,301.60 and 6,507.55

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Solution

The fourth proportional to 11,812.75, 16,301.60 and 6,507.55 is: 8,980.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.75 : 16,301.60 = 6,507.55 : x
  2. Step 2: Convert to fraction form
    11,812.75/16,301.60 = 6,507.55/x
  3. Step 3: Cross multiply
    11,812.75x = 16,301.60 × 6,507.55
  4. Step 4: Simplify right side
    11,812.75x = 106,083,477.08
  5. Step 5: Solve for x
    x = 106,083,477.08/11,812.75
  6. Step 6: Final answer
    x = 8,980.42

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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.