Home / 19,003.05-28,505.16-6,522.91

Finding the Fourth Proportional to 19,003.05, 28,505.16 and 6,522.91

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Solution

The fourth proportional to 19,003.05, 28,505.16 and 6,522.91 is: 9,784.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,003.05 : 28,505.16 = 6,522.91 : x
  2. Step 2: Convert to fraction form
    19,003.05/28,505.16 = 6,522.91/x
  3. Step 3: Cross multiply
    19,003.05x = 28,505.16 × 6,522.91
  4. Step 4: Simplify right side
    19,003.05x = 185,936,521.95
  5. Step 5: Solve for x
    x = 185,936,521.95/19,003.05
  6. Step 6: Final answer
    x = 9,784.56

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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.