Home / 19,205.43-28,801.65-9,338.43

Finding the Fourth Proportional to 19,205.43, 28,801.65 and 9,338.43

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Solution

The fourth proportional to 19,205.43, 28,801.65 and 9,338.43 is: 14,004.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.43 : 28,801.65 = 9,338.43 : x
  2. Step 2: Convert to fraction form
    19,205.43/28,801.65 = 9,338.43/x
  3. Step 3: Cross multiply
    19,205.43x = 28,801.65 × 9,338.43
  4. Step 4: Simplify right side
    19,205.43x = 268,962,192.41
  5. Step 5: Solve for x
    x = 268,962,192.41/19,205.43
  6. Step 6: Final answer
    x = 14,004.49

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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.