Home / 12,680.08-19,026.33-6,111.70

Finding the Fourth Proportional to 12,680.08, 19,026.33 and 6,111.70

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Solution

The fourth proportional to 12,680.08, 19,026.33 and 6,111.70 is: 9,170.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,680.08 : 19,026.33 = 6,111.70 : x
  2. Step 2: Convert to fraction form
    12,680.08/19,026.33 = 6,111.70/x
  3. Step 3: Cross multiply
    12,680.08x = 19,026.33 × 6,111.70
  4. Step 4: Simplify right side
    12,680.08x = 116,283,221.06
  5. Step 5: Solve for x
    x = 116,283,221.06/12,680.08
  6. Step 6: Final answer
    x = 9,170.54

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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.