Home / 19,948.32-27,539.93-13,243.12

Finding the Fourth Proportional to 19,948.32, 27,539.93 and 13,243.12

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Solution

The fourth proportional to 19,948.32, 27,539.93 and 13,243.12 is: 18,282.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.32 : 27,539.93 = 13,243.12 : x
  2. Step 2: Convert to fraction form
    19,948.32/27,539.93 = 13,243.12/x
  3. Step 3: Cross multiply
    19,948.32x = 27,539.93 × 13,243.12
  4. Step 4: Simplify right side
    19,948.32x = 364,714,524.79
  5. Step 5: Solve for x
    x = 364,714,524.79/19,948.32
  6. Step 6: Final answer
    x = 18,282.97

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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.