Home / 19,784.47-29,636.96-9,239.94

Finding the Fourth Proportional to 19,784.47, 29,636.96 and 9,239.94

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Solution

The fourth proportional to 19,784.47, 29,636.96 and 9,239.94 is: 13,841.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784.47 : 29,636.96 = 9,239.94 : x
  2. Step 2: Convert to fraction form
    19,784.47/29,636.96 = 9,239.94/x
  3. Step 3: Cross multiply
    19,784.47x = 29,636.96 × 9,239.94
  4. Step 4: Simplify right side
    19,784.47x = 273,843,732.18
  5. Step 5: Solve for x
    x = 273,843,732.18/19,784.47
  6. Step 6: Final answer
    x = 13,841.35

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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.