Home / 11,441.40-17,156.43-4,775.88

Finding the Fourth Proportional to 11,441.40, 17,156.43 and 4,775.88

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Solution

The fourth proportional to 11,441.40, 17,156.43 and 4,775.88 is: 7,161.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,441.40 : 17,156.43 = 4,775.88 : x
  2. Step 2: Convert to fraction form
    11,441.40/17,156.43 = 4,775.88/x
  3. Step 3: Cross multiply
    11,441.40x = 17,156.43 × 4,775.88
  4. Step 4: Simplify right side
    11,441.40x = 81,937,050.91
  5. Step 5: Solve for x
    x = 81,937,050.91/11,441.40
  6. Step 6: Final answer
    x = 7,161.45

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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.