Home / 12,748.33-19,093.58-6,814.78

Finding the Fourth Proportional to 12,748.33, 19,093.58 and 6,814.78

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Solution

The fourth proportional to 12,748.33, 19,093.58 and 6,814.78 is: 10,206.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748.33 : 19,093.58 = 6,814.78 : x
  2. Step 2: Convert to fraction form
    12,748.33/19,093.58 = 6,814.78/x
  3. Step 3: Cross multiply
    12,748.33x = 19,093.58 × 6,814.78
  4. Step 4: Simplify right side
    12,748.33x = 130,118,547.11
  5. Step 5: Solve for x
    x = 130,118,547.11/12,748.33
  6. Step 6: Final answer
    x = 10,206.71

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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.