Home / 12,798.38-19,204.86-4,480.19

Finding the Fourth Proportional to 12,798.38, 19,204.86 and 4,480.19

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Solution

The fourth proportional to 12,798.38, 19,204.86 and 4,480.19 is: 6,722.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798.38 : 19,204.86 = 4,480.19 : x
  2. Step 2: Convert to fraction form
    12,798.38/19,204.86 = 4,480.19/x
  3. Step 3: Cross multiply
    12,798.38x = 19,204.86 × 4,480.19
  4. Step 4: Simplify right side
    12,798.38x = 86,041,421.72
  5. Step 5: Solve for x
    x = 86,041,421.72/12,798.38
  6. Step 6: Final answer
    x = 6,722.84

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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.