Home / 19,005.37-28,499.84-7,310.38

Finding the Fourth Proportional to 19,005.37, 28,499.84 and 7,310.38

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Solution

The fourth proportional to 19,005.37, 28,499.84 and 7,310.38 is: 10,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005.37 : 28,499.84 = 7,310.38 : x
  2. Step 2: Convert to fraction form
    19,005.37/28,499.84 = 7,310.38/x
  3. Step 3: Cross multiply
    19,005.37x = 28,499.84 × 7,310.38
  4. Step 4: Simplify right side
    19,005.37x = 208,344,481.29
  5. Step 5: Solve for x
    x = 208,344,481.29/19,005.37
  6. Step 6: Final answer
    x = 10,962.40

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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.