Home / 9,288.12-13,923-3,443.16

Finding the Fourth Proportional to 9,288.12, 13,923 and 3,443.16

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Solution

The fourth proportional to 9,288.12, 13,923 and 3,443.16 is: 5,161.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.12 : 13,923 = 3,443.16 : x
  2. Step 2: Convert to fraction form
    9,288.12/13,923 = 3,443.16/x
  3. Step 3: Cross multiply
    9,288.12x = 13,923 × 3,443.16
  4. Step 4: Simplify right side
    9,288.12x = 47,939,116.68
  5. Step 5: Solve for x
    x = 47,939,116.68/9,288.12
  6. Step 6: Final answer
    x = 5,161.34

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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.