Home / 17,860.16-26,783.76-6,761.18

Finding the Fourth Proportional to 17,860.16, 26,783.76 and 6,761.18

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Solution

The fourth proportional to 17,860.16, 26,783.76 and 6,761.18 is: 10,139.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,860.16 : 26,783.76 = 6,761.18 : x
  2. Step 2: Convert to fraction form
    17,860.16/26,783.76 = 6,761.18/x
  3. Step 3: Cross multiply
    17,860.16x = 26,783.76 × 6,761.18
  4. Step 4: Simplify right side
    17,860.16x = 181,089,822.44
  5. Step 5: Solve for x
    x = 181,089,822.44/17,860.16
  6. Step 6: Final answer
    x = 10,139.32

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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.