Home / 13,933.53-19,227.65-7,645.77

Finding the Fourth Proportional to 13,933.53, 19,227.65 and 7,645.77

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Solution

The fourth proportional to 13,933.53, 19,227.65 and 7,645.77 is: 10,550.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.53 : 19,227.65 = 7,645.77 : x
  2. Step 2: Convert to fraction form
    13,933.53/19,227.65 = 7,645.77/x
  3. Step 3: Cross multiply
    13,933.53x = 19,227.65 × 7,645.77
  4. Step 4: Simplify right side
    13,933.53x = 147,010,151.31
  5. Step 5: Solve for x
    x = 147,010,151.31/13,933.53
  6. Step 6: Final answer
    x = 10,550.82

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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.