Home / 14,075.94-21,024-12,739.70

Finding the Fourth Proportional to 14,075.94, 21,024 and 12,739.70

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Solution

The fourth proportional to 14,075.94, 21,024 and 12,739.70 is: 19,028.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.94 : 21,024 = 12,739.70 : x
  2. Step 2: Convert to fraction form
    14,075.94/21,024 = 12,739.70/x
  3. Step 3: Cross multiply
    14,075.94x = 21,024 × 12,739.70
  4. Step 4: Simplify right side
    14,075.94x = 267,839,347.68
  5. Step 5: Solve for x
    x = 267,839,347.68/14,075.94
  6. Step 6: Final answer
    x = 19,028.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.