Home / 18,852.94-28,281.84-10,075.78

Finding the Fourth Proportional to 18,852.94, 28,281.84 and 10,075.78

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Solution

The fourth proportional to 18,852.94, 28,281.84 and 10,075.78 is: 15,114.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852.94 : 28,281.84 = 10,075.78 : x
  2. Step 2: Convert to fraction form
    18,852.94/28,281.84 = 10,075.78/x
  3. Step 3: Cross multiply
    18,852.94x = 28,281.84 × 10,075.78
  4. Step 4: Simplify right side
    18,852.94x = 284,961,597.84
  5. Step 5: Solve for x
    x = 284,961,597.84/18,852.94
  6. Step 6: Final answer
    x = 15,114.97

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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.