Home / 20,119.66-30,167.72-6,075.46

Finding the Fourth Proportional to 20,119.66, 30,167.72 and 6,075.46

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Solution

The fourth proportional to 20,119.66, 30,167.72 and 6,075.46 is: 9,109.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,119.66 : 30,167.72 = 6,075.46 : x
  2. Step 2: Convert to fraction form
    20,119.66/30,167.72 = 6,075.46/x
  3. Step 3: Cross multiply
    20,119.66x = 30,167.72 × 6,075.46
  4. Step 4: Simplify right side
    20,119.66x = 183,282,776.15
  5. Step 5: Solve for x
    x = 183,282,776.15/20,119.66
  6. Step 6: Final answer
    x = 9,109.64

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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.