Home / 10,559.21-15,839.67-2,768

Finding the Fourth Proportional to 10,559.21, 15,839.67 and 2,768

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Solution

The fourth proportional to 10,559.21, 15,839.67 and 2,768 is: 4,152.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,559.21 : 15,839.67 = 2,768 : x
  2. Step 2: Convert to fraction form
    10,559.21/15,839.67 = 2,768/x
  3. Step 3: Cross multiply
    10,559.21x = 15,839.67 × 2,768
  4. Step 4: Simplify right side
    10,559.21x = 43,844,206.56
  5. Step 5: Solve for x
    x = 43,844,206.56/10,559.21
  6. Step 6: Final answer
    x = 4,152.22

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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.