Home / 13,848.80-19,112.98-7,799.22

Finding the Fourth Proportional to 13,848.80, 19,112.98 and 7,799.22

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Solution

The fourth proportional to 13,848.80, 19,112.98 and 7,799.22 is: 10,763.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.80 : 19,112.98 = 7,799.22 : x
  2. Step 2: Convert to fraction form
    13,848.80/19,112.98 = 7,799.22/x
  3. Step 3: Cross multiply
    13,848.80x = 19,112.98 × 7,799.22
  4. Step 4: Simplify right side
    13,848.80x = 149,066,335.88
  5. Step 5: Solve for x
    x = 149,066,335.88/13,848.80
  6. Step 6: Final answer
    x = 10,763.84

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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.