Home / 13,933.54-19,228.28-7,965.34

Finding the Fourth Proportional to 13,933.54, 19,228.28 and 7,965.34

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Solution

The fourth proportional to 13,933.54, 19,228.28 and 7,965.34 is: 10,992.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.54 : 19,228.28 = 7,965.34 : x
  2. Step 2: Convert to fraction form
    13,933.54/19,228.28 = 7,965.34/x
  3. Step 3: Cross multiply
    13,933.54x = 19,228.28 × 7,965.34
  4. Step 4: Simplify right side
    13,933.54x = 153,159,691.67
  5. Step 5: Solve for x
    x = 153,159,691.67/13,933.54
  6. Step 6: Final answer
    x = 10,992.16

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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.