Home / 19,609.68-29,395.66-12,569.97

Finding the Fourth Proportional to 19,609.68, 29,395.66 and 12,569.97

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Solution

The fourth proportional to 19,609.68, 29,395.66 and 12,569.97 is: 18,842.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,609.68 : 29,395.66 = 12,569.97 : x
  2. Step 2: Convert to fraction form
    19,609.68/29,395.66 = 12,569.97/x
  3. Step 3: Cross multiply
    19,609.68x = 29,395.66 × 12,569.97
  4. Step 4: Simplify right side
    19,609.68x = 369,502,564.33
  5. Step 5: Solve for x
    x = 369,502,564.33/19,609.68
  6. Step 6: Final answer
    x = 18,842.87

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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.