Home / 13,822.12-19,073.82-7,534.44

Finding the Fourth Proportional to 13,822.12, 19,073.82 and 7,534.44

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Solution

The fourth proportional to 13,822.12, 19,073.82 and 7,534.44 is: 10,397.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822.12 : 19,073.82 = 7,534.44 : x
  2. Step 2: Convert to fraction form
    13,822.12/19,073.82 = 7,534.44/x
  3. Step 3: Cross multiply
    13,822.12x = 19,073.82 × 7,534.44
  4. Step 4: Simplify right side
    13,822.12x = 143,710,552.36
  5. Step 5: Solve for x
    x = 143,710,552.36/13,822.12
  6. Step 6: Final answer
    x = 10,397.14

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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.