Home / 13,818.90-19,070.03-7,852.49

Finding the Fourth Proportional to 13,818.90, 19,070.03 and 7,852.49

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Solution

The fourth proportional to 13,818.90, 19,070.03 and 7,852.49 is: 10,836.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818.90 : 19,070.03 = 7,852.49 : x
  2. Step 2: Convert to fraction form
    13,818.90/19,070.03 = 7,852.49/x
  3. Step 3: Cross multiply
    13,818.90x = 19,070.03 × 7,852.49
  4. Step 4: Simplify right side
    13,818.90x = 149,747,322.94
  5. Step 5: Solve for x
    x = 149,747,322.94/13,818.90
  6. Step 6: Final answer
    x = 10,836.41

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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.