Home / 12,605.96-18,908.44-5,204.86

Finding the Fourth Proportional to 12,605.96, 18,908.44 and 5,204.86

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Solution

The fourth proportional to 12,605.96, 18,908.44 and 5,204.86 is: 7,807.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,605.96 : 18,908.44 = 5,204.86 : x
  2. Step 2: Convert to fraction form
    12,605.96/18,908.44 = 5,204.86/x
  3. Step 3: Cross multiply
    12,605.96x = 18,908.44 × 5,204.86
  4. Step 4: Simplify right side
    12,605.96x = 98,415,722.74
  5. Step 5: Solve for x
    x = 98,415,722.74/12,605.96
  6. Step 6: Final answer
    x = 7,807.08

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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.