Home / 11,670.21-17,505.28-2,905.13

Finding the Fourth Proportional to 11,670.21, 17,505.28 and 2,905.13

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Solution

The fourth proportional to 11,670.21, 17,505.28 and 2,905.13 is: 4,357.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,670.21 : 17,505.28 = 2,905.13 : x
  2. Step 2: Convert to fraction form
    11,670.21/17,505.28 = 2,905.13/x
  3. Step 3: Cross multiply
    11,670.21x = 17,505.28 × 2,905.13
  4. Step 4: Simplify right side
    11,670.21x = 50,855,161.48
  5. Step 5: Solve for x
    x = 50,855,161.48/11,670.21
  6. Step 6: Final answer
    x = 4,357.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.