Home / 14,019.89-21,043.85-10,075.77

Finding the Fourth Proportional to 14,019.89, 21,043.85 and 10,075.77

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Solution

The fourth proportional to 14,019.89, 21,043.85 and 10,075.77 is: 15,123.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.89 : 21,043.85 = 10,075.77 : x
  2. Step 2: Convert to fraction form
    14,019.89/21,043.85 = 10,075.77/x
  3. Step 3: Cross multiply
    14,019.89x = 21,043.85 × 10,075.77
  4. Step 4: Simplify right side
    14,019.89x = 212,032,942.14
  5. Step 5: Solve for x
    x = 212,032,942.14/14,019.89
  6. Step 6: Final answer
    x = 15,123.73

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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.