Home / 11,707.36-17,559.20-3,810.16

Finding the Fourth Proportional to 11,707.36, 17,559.20 and 3,810.16

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Solution

The fourth proportional to 11,707.36, 17,559.20 and 3,810.16 is: 5,714.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707.36 : 17,559.20 = 3,810.16 : x
  2. Step 2: Convert to fraction form
    11,707.36/17,559.20 = 3,810.16/x
  3. Step 3: Cross multiply
    11,707.36x = 17,559.20 × 3,810.16
  4. Step 4: Simplify right side
    11,707.36x = 66,903,361.47
  5. Step 5: Solve for x
    x = 66,903,361.47/11,707.36
  6. Step 6: Final answer
    x = 5,714.64

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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.