Home / 19,609.42-27,078.93-12,548.23

Finding the Fourth Proportional to 19,609.42, 27,078.93 and 12,548.23

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Solution

The fourth proportional to 19,609.42, 27,078.93 and 12,548.23 is: 17,328.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,609.42 : 27,078.93 = 12,548.23 : x
  2. Step 2: Convert to fraction form
    19,609.42/27,078.93 = 12,548.23/x
  3. Step 3: Cross multiply
    19,609.42x = 27,078.93 × 12,548.23
  4. Step 4: Simplify right side
    19,609.42x = 339,792,641.79
  5. Step 5: Solve for x
    x = 339,792,641.79/19,609.42
  6. Step 6: Final answer
    x = 17,328.03

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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.