Home / 13,821.12-19,072.92-7,533.48

Finding the Fourth Proportional to 13,821.12, 19,072.92 and 7,533.48

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Solution

The fourth proportional to 13,821.12, 19,072.92 and 7,533.48 is: 10,396.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821.12 : 19,072.92 = 7,533.48 : x
  2. Step 2: Convert to fraction form
    13,821.12/19,072.92 = 7,533.48/x
  3. Step 3: Cross multiply
    13,821.12x = 19,072.92 × 7,533.48
  4. Step 4: Simplify right side
    13,821.12x = 143,685,461.36
  5. Step 5: Solve for x
    x = 143,685,461.36/13,821.12
  6. Step 6: Final answer
    x = 10,396.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.