Home / 12,902.49-19,350.09-5,004.45

Finding the Fourth Proportional to 12,902.49, 19,350.09 and 5,004.45

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Solution

The fourth proportional to 12,902.49, 19,350.09 and 5,004.45 is: 7,505.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,902.49 : 19,350.09 = 5,004.45 : x
  2. Step 2: Convert to fraction form
    12,902.49/19,350.09 = 5,004.45/x
  3. Step 3: Cross multiply
    12,902.49x = 19,350.09 × 5,004.45
  4. Step 4: Simplify right side
    12,902.49x = 96,836,557.90
  5. Step 5: Solve for x
    x = 96,836,557.90/12,902.49
  6. Step 6: Final answer
    x = 7,505.26

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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.