Home / 19,784.39-29,681.01-6,636.42

Finding the Fourth Proportional to 19,784.39, 29,681.01 and 6,636.42

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Solution

The fourth proportional to 19,784.39, 29,681.01 and 6,636.42 is: 9,956.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784.39 : 29,681.01 = 6,636.42 : x
  2. Step 2: Convert to fraction form
    19,784.39/29,681.01 = 6,636.42/x
  3. Step 3: Cross multiply
    19,784.39x = 29,681.01 × 6,636.42
  4. Step 4: Simplify right side
    19,784.39x = 196,975,648.38
  5. Step 5: Solve for x
    x = 196,975,648.38/19,784.39
  6. Step 6: Final answer
    x = 9,956.12

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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.