Home / 19,153.50-28,739.97-8,767.86

Finding the Fourth Proportional to 19,153.50, 28,739.97 and 8,767.86

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Solution

The fourth proportional to 19,153.50, 28,739.97 and 8,767.86 is: 13,156.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.50 : 28,739.97 = 8,767.86 : x
  2. Step 2: Convert to fraction form
    19,153.50/28,739.97 = 8,767.86/x
  3. Step 3: Cross multiply
    19,153.50x = 28,739.97 × 8,767.86
  4. Step 4: Simplify right side
    19,153.50x = 251,988,033.36
  5. Step 5: Solve for x
    x = 251,988,033.36/19,153.50
  6. Step 6: Final answer
    x = 13,156.24

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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.