Home / 13,827.42-19,081.80-7,539.84

Finding the Fourth Proportional to 13,827.42, 19,081.80 and 7,539.84

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Solution

The fourth proportional to 13,827.42, 19,081.80 and 7,539.84 is: 10,404.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.42 : 19,081.80 = 7,539.84 : x
  2. Step 2: Convert to fraction form
    13,827.42/19,081.80 = 7,539.84/x
  3. Step 3: Cross multiply
    13,827.42x = 19,081.80 × 7,539.84
  4. Step 4: Simplify right side
    13,827.42x = 143,873,718.91
  5. Step 5: Solve for x
    x = 143,873,718.91/13,827.42
  6. Step 6: Final answer
    x = 10,404.96

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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.