Home / 14,790.15-20,409.87-8,075.73

Finding the Fourth Proportional to 14,790.15, 20,409.87 and 8,075.73

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Solution

The fourth proportional to 14,790.15, 20,409.87 and 8,075.73 is: 11,144.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,790.15 : 20,409.87 = 8,075.73 : x
  2. Step 2: Convert to fraction form
    14,790.15/20,409.87 = 8,075.73/x
  3. Step 3: Cross multiply
    14,790.15x = 20,409.87 × 8,075.73
  4. Step 4: Simplify right side
    14,790.15x = 164,824,599.46
  5. Step 5: Solve for x
    x = 164,824,599.46/14,790.15
  6. Step 6: Final answer
    x = 11,144.21

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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.