Home / 13,935.29-19,230.69-7,967.09

Finding the Fourth Proportional to 13,935.29, 19,230.69 and 7,967.09

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Solution

The fourth proportional to 13,935.29, 19,230.69 and 7,967.09 is: 10,994.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.29 : 19,230.69 = 7,967.09 : x
  2. Step 2: Convert to fraction form
    13,935.29/19,230.69 = 7,967.09/x
  3. Step 3: Cross multiply
    13,935.29x = 19,230.69 × 7,967.09
  4. Step 4: Simplify right side
    13,935.29x = 153,212,637.99
  5. Step 5: Solve for x
    x = 153,212,637.99/13,935.29
  6. Step 6: Final answer
    x = 10,994.58

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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.