Home / 18,849.64-28,281.84-5,703.36

Finding the Fourth Proportional to 18,849.64, 28,281.84 and 5,703.36

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Solution

The fourth proportional to 18,849.64, 28,281.84 and 5,703.36 is: 8,557.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,849.64 : 28,281.84 = 5,703.36 : x
  2. Step 2: Convert to fraction form
    18,849.64/28,281.84 = 5,703.36/x
  3. Step 3: Cross multiply
    18,849.64x = 28,281.84 × 5,703.36
  4. Step 4: Simplify right side
    18,849.64x = 161,301,514.98
  5. Step 5: Solve for x
    x = 161,301,514.98/18,849.64
  6. Step 6: Final answer
    x = 8,557.27

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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.