Home / 19,645.08-29,386.62-12,614.28

Finding the Fourth Proportional to 19,645.08, 29,386.62 and 12,614.28

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Solution

The fourth proportional to 19,645.08, 29,386.62 and 12,614.28 is: 18,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,645.08 : 29,386.62 = 12,614.28 : x
  2. Step 2: Convert to fraction form
    19,645.08/29,386.62 = 12,614.28/x
  3. Step 3: Cross multiply
    19,645.08x = 29,386.62 × 12,614.28
  4. Step 4: Simplify right side
    19,645.08x = 370,691,052.93
  5. Step 5: Solve for x
    x = 370,691,052.93/19,645.08
  6. Step 6: Final answer
    x = 18,869.41

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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.