Home / 19,226.13-28,825.35-11,815.28

Finding the Fourth Proportional to 19,226.13, 28,825.35 and 11,815.28

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Solution

The fourth proportional to 19,226.13, 28,825.35 and 11,815.28 is: 17,714.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226.13 : 28,825.35 = 11,815.28 : x
  2. Step 2: Convert to fraction form
    19,226.13/28,825.35 = 11,815.28/x
  3. Step 3: Cross multiply
    19,226.13x = 28,825.35 × 11,815.28
  4. Step 4: Simplify right side
    19,226.13x = 340,579,581.35
  5. Step 5: Solve for x
    x = 340,579,581.35/19,226.13
  6. Step 6: Final answer
    x = 17,714.41

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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.