Home / 12,569.37-18,857.22-8,878.83

Finding the Fourth Proportional to 12,569.37, 18,857.22 and 8,878.83

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Solution

The fourth proportional to 12,569.37, 18,857.22 and 8,878.83 is: 13,320.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,569.37 : 18,857.22 = 8,878.83 : x
  2. Step 2: Convert to fraction form
    12,569.37/18,857.22 = 8,878.83/x
  3. Step 3: Cross multiply
    12,569.37x = 18,857.22 × 8,878.83
  4. Step 4: Simplify right side
    12,569.37x = 167,430,050.65
  5. Step 5: Solve for x
    x = 167,430,050.65/12,569.37
  6. Step 6: Final answer
    x = 13,320.48

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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.