Home / 14,075.10-21,112.65-3,686.85

Finding the Fourth Proportional to 14,075.10, 21,112.65 and 3,686.85

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Solution

The fourth proportional to 14,075.10, 21,112.65 and 3,686.85 is: 5,530.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.10 : 21,112.65 = 3,686.85 : x
  2. Step 2: Convert to fraction form
    14,075.10/21,112.65 = 3,686.85/x
  3. Step 3: Cross multiply
    14,075.10x = 21,112.65 × 3,686.85
  4. Step 4: Simplify right side
    14,075.10x = 77,839,173.65
  5. Step 5: Solve for x
    x = 77,839,173.65/14,075.10
  6. Step 6: Final answer
    x = 5,530.28

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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.