Home / 19,242.89-28,868.66-6,763.77

Finding the Fourth Proportional to 19,242.89, 28,868.66 and 6,763.77

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Solution

The fourth proportional to 19,242.89, 28,868.66 and 6,763.77 is: 10,147.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242.89 : 28,868.66 = 6,763.77 : x
  2. Step 2: Convert to fraction form
    19,242.89/28,868.66 = 6,763.77/x
  3. Step 3: Cross multiply
    19,242.89x = 28,868.66 × 6,763.77
  4. Step 4: Simplify right side
    19,242.89x = 195,260,942.63
  5. Step 5: Solve for x
    x = 195,260,942.63/19,242.89
  6. Step 6: Final answer
    x = 10,147.18

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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.