Home / 13,933.71-19,244.36-9,449.66

Finding the Fourth Proportional to 13,933.71, 19,244.36 and 9,449.66

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Solution

The fourth proportional to 13,933.71, 19,244.36 and 9,449.66 is: 13,051.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.71 : 19,244.36 = 9,449.66 : x
  2. Step 2: Convert to fraction form
    13,933.71/19,244.36 = 9,449.66/x
  3. Step 3: Cross multiply
    13,933.71x = 19,244.36 × 9,449.66
  4. Step 4: Simplify right side
    13,933.71x = 181,852,730.65
  5. Step 5: Solve for x
    x = 181,852,730.65/13,933.71
  6. Step 6: Final answer
    x = 13,051.28

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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.