Home / 19,161.30-28,742.70-6,682.59

Finding the Fourth Proportional to 19,161.30, 28,742.70 and 6,682.59

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Solution

The fourth proportional to 19,161.30, 28,742.70 and 6,682.59 is: 10,024.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161.30 : 28,742.70 = 6,682.59 : x
  2. Step 2: Convert to fraction form
    19,161.30/28,742.70 = 6,682.59/x
  3. Step 3: Cross multiply
    19,161.30x = 28,742.70 × 6,682.59
  4. Step 4: Simplify right side
    19,161.30x = 192,075,679.59
  5. Step 5: Solve for x
    x = 192,075,679.59/19,161.30
  6. Step 6: Final answer
    x = 10,024.15

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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.