Home / 12,748.43-19,106.41-7,204.86

Finding the Fourth Proportional to 12,748.43, 19,106.41 and 7,204.86

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Solution

The fourth proportional to 12,748.43, 19,106.41 and 7,204.86 is: 10,798.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748.43 : 19,106.41 = 7,204.86 : x
  2. Step 2: Convert to fraction form
    12,748.43/19,106.41 = 7,204.86/x
  3. Step 3: Cross multiply
    12,748.43x = 19,106.41 × 7,204.86
  4. Step 4: Simplify right side
    12,748.43x = 137,659,009.15
  5. Step 5: Solve for x
    x = 137,659,009.15/12,748.43
  6. Step 6: Final answer
    x = 10,798.11

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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.