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Finding the Fourth Proportional to 19,195.28, 28,783.08 and 8,798

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Solution

The fourth proportional to 19,195.28, 28,783.08 and 8,798 is: 13,192.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,195.28 : 28,783.08 = 8,798 : x
  2. Step 2: Convert to fraction form
    19,195.28/28,783.08 = 8,798/x
  3. Step 3: Cross multiply
    19,195.28x = 28,783.08 × 8,798
  4. Step 4: Simplify right side
    19,195.28x = 253,233,537.84
  5. Step 5: Solve for x
    x = 253,233,537.84/19,195.28
  6. Step 6: Final answer
    x = 13,192.49

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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.