Home / 10,855.36-14,981.20-6,075.79

Finding the Fourth Proportional to 10,855.36, 14,981.20 and 6,075.79

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Solution

The fourth proportional to 10,855.36, 14,981.20 and 6,075.79 is: 8,385.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.36 : 14,981.20 = 6,075.79 : x
  2. Step 2: Convert to fraction form
    10,855.36/14,981.20 = 6,075.79/x
  3. Step 3: Cross multiply
    10,855.36x = 14,981.20 × 6,075.79
  4. Step 4: Simplify right side
    10,855.36x = 91,022,550.24
  5. Step 5: Solve for x
    x = 91,022,550.24/10,855.36
  6. Step 6: Final answer
    x = 8,385.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.