Home / 13,933.51-19,228.24-7,965.30

Finding the Fourth Proportional to 13,933.51, 19,228.24 and 7,965.30

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Solution

The fourth proportional to 13,933.51, 19,228.24 and 7,965.30 is: 10,992.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.51 : 19,228.24 = 7,965.30 : x
  2. Step 2: Convert to fraction form
    13,933.51/19,228.24 = 7,965.30/x
  3. Step 3: Cross multiply
    13,933.51x = 19,228.24 × 7,965.30
  4. Step 4: Simplify right side
    13,933.51x = 153,158,700.07
  5. Step 5: Solve for x
    x = 153,158,700.07/13,933.51
  6. Step 6: Final answer
    x = 10,992.11

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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.