Home / 19,129.32-28,739.08-11,252

Finding the Fourth Proportional to 19,129.32, 28,739.08 and 11,252

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Solution

The fourth proportional to 19,129.32, 28,739.08 and 11,252 is: 16,904.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129.32 : 28,739.08 = 11,252 : x
  2. Step 2: Convert to fraction form
    19,129.32/28,739.08 = 11,252/x
  3. Step 3: Cross multiply
    19,129.32x = 28,739.08 × 11,252
  4. Step 4: Simplify right side
    19,129.32x = 323,372,128.16
  5. Step 5: Solve for x
    x = 323,372,128.16/19,129.32
  6. Step 6: Final answer
    x = 16,904.53

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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.