Home / 11,086.43-15,301.90-6,373.45

Finding the Fourth Proportional to 11,086.43, 15,301.90 and 6,373.45

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Solution

The fourth proportional to 11,086.43, 15,301.90 and 6,373.45 is: 8,796.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,086.43 : 15,301.90 = 6,373.45 : x
  2. Step 2: Convert to fraction form
    11,086.43/15,301.90 = 6,373.45/x
  3. Step 3: Cross multiply
    11,086.43x = 15,301.90 × 6,373.45
  4. Step 4: Simplify right side
    11,086.43x = 97,525,894.56
  5. Step 5: Solve for x
    x = 97,525,894.56/11,086.43
  6. Step 6: Final answer
    x = 8,796.87

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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.