Home / 14,075.03-21,112.58-11,429.98

Finding the Fourth Proportional to 14,075.03, 21,112.58 and 11,429.98

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Solution

The fourth proportional to 14,075.03, 21,112.58 and 11,429.98 is: 17,144.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.03 : 21,112.58 = 11,429.98 : x
  2. Step 2: Convert to fraction form
    14,075.03/21,112.58 = 11,429.98/x
  3. Step 3: Cross multiply
    14,075.03x = 21,112.58 × 11,429.98
  4. Step 4: Simplify right side
    14,075.03x = 241,316,342.94
  5. Step 5: Solve for x
    x = 241,316,342.94/14,075.03
  6. Step 6: Final answer
    x = 17,144.99

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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.