Home / 19,204.43-28,807.56-9,331.95

Finding the Fourth Proportional to 19,204.43, 28,807.56 and 9,331.95

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Solution

The fourth proportional to 19,204.43, 28,807.56 and 9,331.95 is: 13,998.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,204.43 : 28,807.56 = 9,331.95 : x
  2. Step 2: Convert to fraction form
    19,204.43/28,807.56 = 9,331.95/x
  3. Step 3: Cross multiply
    19,204.43x = 28,807.56 × 9,331.95
  4. Step 4: Simplify right side
    19,204.43x = 268,830,709.54
  5. Step 5: Solve for x
    x = 268,830,709.54/19,204.43
  6. Step 6: Final answer
    x = 13,998.37

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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.