Home / 19,164.77-28,712.96-10,394.09

Finding the Fourth Proportional to 19,164.77, 28,712.96 and 10,394.09

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Solution

The fourth proportional to 19,164.77, 28,712.96 and 10,394.09 is: 15,572.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164.77 : 28,712.96 = 10,394.09 : x
  2. Step 2: Convert to fraction form
    19,164.77/28,712.96 = 10,394.09/x
  3. Step 3: Cross multiply
    19,164.77x = 28,712.96 × 10,394.09
  4. Step 4: Simplify right side
    19,164.77x = 298,445,038.44
  5. Step 5: Solve for x
    x = 298,445,038.44/19,164.77
  6. Step 6: Final answer
    x = 15,572.59

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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.