Home / 19,009.63-28,486.62-10,705.84

Finding the Fourth Proportional to 19,009.63, 28,486.62 and 10,705.84

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Solution

The fourth proportional to 19,009.63, 28,486.62 and 10,705.84 is: 16,043.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009.63 : 28,486.62 = 10,705.84 : x
  2. Step 2: Convert to fraction form
    19,009.63/28,486.62 = 10,705.84/x
  3. Step 3: Cross multiply
    19,009.63x = 28,486.62 × 10,705.84
  4. Step 4: Simplify right side
    19,009.63x = 304,973,195.86
  5. Step 5: Solve for x
    x = 304,973,195.86/19,009.63
  6. Step 6: Final answer
    x = 16,043.09

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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.