Home / 12,795.48-19,195.66-4,477.86

Finding the Fourth Proportional to 12,795.48, 19,195.66 and 4,477.86

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Solution

The fourth proportional to 12,795.48, 19,195.66 and 4,477.86 is: 6,717.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.48 : 19,195.66 = 4,477.86 : x
  2. Step 2: Convert to fraction form
    12,795.48/19,195.66 = 4,477.86/x
  3. Step 3: Cross multiply
    12,795.48x = 19,195.66 × 4,477.86
  4. Step 4: Simplify right side
    12,795.48x = 85,955,478.09
  5. Step 5: Solve for x
    x = 85,955,478.09/12,795.48
  6. Step 6: Final answer
    x = 6,717.64

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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.