Home / 14,546.12-20,075.54-8,879.69

Finding the Fourth Proportional to 14,546.12, 20,075.54 and 8,879.69

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Solution

The fourth proportional to 14,546.12, 20,075.54 and 8,879.69 is: 12,255.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,546.12 : 20,075.54 = 8,879.69 : x
  2. Step 2: Convert to fraction form
    14,546.12/20,075.54 = 8,879.69/x
  3. Step 3: Cross multiply
    14,546.12x = 20,075.54 × 8,879.69
  4. Step 4: Simplify right side
    14,546.12x = 178,264,427.01
  5. Step 5: Solve for x
    x = 178,264,427.01/14,546.12
  6. Step 6: Final answer
    x = 12,255.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.