Home / 12,858.86-19,289.84-4,537.16

Finding the Fourth Proportional to 12,858.86, 19,289.84 and 4,537.16

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Solution

The fourth proportional to 12,858.86, 19,289.84 and 4,537.16 is: 6,806.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,858.86 : 19,289.84 = 4,537.16 : x
  2. Step 2: Convert to fraction form
    12,858.86/19,289.84 = 4,537.16/x
  3. Step 3: Cross multiply
    12,858.86x = 19,289.84 × 4,537.16
  4. Step 4: Simplify right side
    12,858.86x = 87,521,115.99
  5. Step 5: Solve for x
    x = 87,521,115.99/12,858.86
  6. Step 6: Final answer
    x = 6,806.29

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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.