Home / 12,075.96-16,666.02-6,771.72

Finding the Fourth Proportional to 12,075.96, 16,666.02 and 6,771.72

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Solution

The fourth proportional to 12,075.96, 16,666.02 and 6,771.72 is: 9,345.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075.96 : 16,666.02 = 6,771.72 : x
  2. Step 2: Convert to fraction form
    12,075.96/16,666.02 = 6,771.72/x
  3. Step 3: Cross multiply
    12,075.96x = 16,666.02 × 6,771.72
  4. Step 4: Simplify right side
    12,075.96x = 112,857,620.95
  5. Step 5: Solve for x
    x = 112,857,620.95/12,075.96
  6. Step 6: Final answer
    x = 9,345.64

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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.