Home / 12,075.10-16,665.20-6,771.02

Finding the Fourth Proportional to 12,075.10, 16,665.20 and 6,771.02

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Solution

The fourth proportional to 12,075.10, 16,665.20 and 6,771.02 is: 9,344.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075.10 : 16,665.20 = 6,771.02 : x
  2. Step 2: Convert to fraction form
    12,075.10/16,665.20 = 6,771.02/x
  3. Step 3: Cross multiply
    12,075.10x = 16,665.20 × 6,771.02
  4. Step 4: Simplify right side
    12,075.10x = 112,840,402.50
  5. Step 5: Solve for x
    x = 112,840,402.50/12,075.10
  6. Step 6: Final answer
    x = 9,344.88

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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.