Home / 19,784.38-29,680.53-7,304.48

Finding the Fourth Proportional to 19,784.38, 29,680.53 and 7,304.48

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Solution

The fourth proportional to 19,784.38, 29,680.53 and 7,304.48 is: 10,958.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784.38 : 29,680.53 = 7,304.48 : x
  2. Step 2: Convert to fraction form
    19,784.38/29,680.53 = 7,304.48/x
  3. Step 3: Cross multiply
    19,784.38x = 29,680.53 × 7,304.48
  4. Step 4: Simplify right side
    19,784.38x = 216,800,837.77
  5. Step 5: Solve for x
    x = 216,800,837.77/19,784.38
  6. Step 6: Final answer
    x = 10,958.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.