Home / 11,933.47-17,900.21-3,168.16

Finding the Fourth Proportional to 11,933.47, 17,900.21 and 3,168.16

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Solution

The fourth proportional to 11,933.47, 17,900.21 and 3,168.16 is: 4,752.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,933.47 : 17,900.21 = 3,168.16 : x
  2. Step 2: Convert to fraction form
    11,933.47/17,900.21 = 3,168.16/x
  3. Step 3: Cross multiply
    11,933.47x = 17,900.21 × 3,168.16
  4. Step 4: Simplify right side
    11,933.47x = 56,710,729.31
  5. Step 5: Solve for x
    x = 56,710,729.31/11,933.47
  6. Step 6: Final answer
    x = 4,752.24

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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.