Home / 11,684.21-16,126.06-7,430.84

Finding the Fourth Proportional to 11,684.21, 16,126.06 and 7,430.84

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Solution

The fourth proportional to 11,684.21, 16,126.06 and 7,430.84 is: 10,255.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,684.21 : 16,126.06 = 7,430.84 : x
  2. Step 2: Convert to fraction form
    11,684.21/16,126.06 = 7,430.84/x
  3. Step 3: Cross multiply
    11,684.21x = 16,126.06 × 7,430.84
  4. Step 4: Simplify right side
    11,684.21x = 119,830,086.42
  5. Step 5: Solve for x
    x = 119,830,086.42/11,684.21
  6. Step 6: Final answer
    x = 10,255.73

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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.