Home / 15,714.08-23,571.44-12,579.55

Finding the Fourth Proportional to 15,714.08, 23,571.44 and 12,579.55

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Solution

The fourth proportional to 15,714.08, 23,571.44 and 12,579.55 is: 18,869.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,714.08 : 23,571.44 = 12,579.55 : x
  2. Step 2: Convert to fraction form
    15,714.08/23,571.44 = 12,579.55/x
  3. Step 3: Cross multiply
    15,714.08x = 23,571.44 × 12,579.55
  4. Step 4: Simplify right side
    15,714.08x = 296,518,108.05
  5. Step 5: Solve for x
    x = 296,518,108.05/15,714.08
  6. Step 6: Final answer
    x = 18,869.58

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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.