Home / 19,305.98-26,632.76-12,144.60

Finding the Fourth Proportional to 19,305.98, 26,632.76 and 12,144.60

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Solution

The fourth proportional to 19,305.98, 26,632.76 and 12,144.60 is: 16,753.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,305.98 : 26,632.76 = 12,144.60 : x
  2. Step 2: Convert to fraction form
    19,305.98/26,632.76 = 12,144.60/x
  3. Step 3: Cross multiply
    19,305.98x = 26,632.76 × 12,144.60
  4. Step 4: Simplify right side
    19,305.98x = 323,444,217.10
  5. Step 5: Solve for x
    x = 323,444,217.10/19,305.98
  6. Step 6: Final answer
    x = 16,753.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.