Home / 9,159.03-13,739.22-3,315.69

Finding the Fourth Proportional to 9,159.03, 13,739.22 and 3,315.69

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Solution

The fourth proportional to 9,159.03, 13,739.22 and 3,315.69 is: 4,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.03 : 13,739.22 = 3,315.69 : x
  2. Step 2: Convert to fraction form
    9,159.03/13,739.22 = 3,315.69/x
  3. Step 3: Cross multiply
    9,159.03x = 13,739.22 × 3,315.69
  4. Step 4: Simplify right side
    9,159.03x = 45,554,994.36
  5. Step 5: Solve for x
    x = 45,554,994.36/9,159.03
  6. Step 6: Final answer
    x = 4,973.78

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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.