Home / 19,239.45-28,855.53-6,756.54

Finding the Fourth Proportional to 19,239.45, 28,855.53 and 6,756.54

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Solution

The fourth proportional to 19,239.45, 28,855.53 and 6,756.54 is: 10,133.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.45 : 28,855.53 = 6,756.54 : x
  2. Step 2: Convert to fraction form
    19,239.45/28,855.53 = 6,756.54/x
  3. Step 3: Cross multiply
    19,239.45x = 28,855.53 × 6,756.54
  4. Step 4: Simplify right side
    19,239.45x = 194,963,542.67
  5. Step 5: Solve for x
    x = 194,963,542.67/19,239.45
  6. Step 6: Final answer
    x = 10,133.53

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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.