Home / 19,326.78-28,990.32-6,846.87

Finding the Fourth Proportional to 19,326.78, 28,990.32 and 6,846.87

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Solution

The fourth proportional to 19,326.78, 28,990.32 and 6,846.87 is: 10,270.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.78 : 28,990.32 = 6,846.87 : x
  2. Step 2: Convert to fraction form
    19,326.78/28,990.32 = 6,846.87/x
  3. Step 3: Cross multiply
    19,326.78x = 28,990.32 × 6,846.87
  4. Step 4: Simplify right side
    19,326.78x = 198,492,952.30
  5. Step 5: Solve for x
    x = 198,492,952.30/19,326.78
  6. Step 6: Final answer
    x = 10,270.36

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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.