Home / 10,862.15-16,276.82-8,075.75

Finding the Fourth Proportional to 10,862.15, 16,276.82 and 8,075.75

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Solution

The fourth proportional to 10,862.15, 16,276.82 and 8,075.75 is: 12,101.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862.15 : 16,276.82 = 8,075.75 : x
  2. Step 2: Convert to fraction form
    10,862.15/16,276.82 = 8,075.75/x
  3. Step 3: Cross multiply
    10,862.15x = 16,276.82 × 8,075.75
  4. Step 4: Simplify right side
    10,862.15x = 131,447,407.35
  5. Step 5: Solve for x
    x = 131,447,407.35/10,862.15
  6. Step 6: Final answer
    x = 12,101.42

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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.