Home / 13,820.62-19,072.46-7,852.30

Finding the Fourth Proportional to 13,820.62, 19,072.46 and 7,852.30

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Solution

The fourth proportional to 13,820.62, 19,072.46 and 7,852.30 is: 10,836.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,820.62 : 19,072.46 = 7,852.30 : x
  2. Step 2: Convert to fraction form
    13,820.62/19,072.46 = 7,852.30/x
  3. Step 3: Cross multiply
    13,820.62x = 19,072.46 × 7,852.30
  4. Step 4: Simplify right side
    13,820.62x = 149,762,677.66
  5. Step 5: Solve for x
    x = 149,762,677.66/13,820.62
  6. Step 6: Final answer
    x = 10,836.18

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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.