Home / 12,680.35-19,023.64-4,360.48

Finding the Fourth Proportional to 12,680.35, 19,023.64 and 4,360.48

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Solution

The fourth proportional to 12,680.35, 19,023.64 and 4,360.48 is: 6,541.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,680.35 : 19,023.64 = 4,360.48 : x
  2. Step 2: Convert to fraction form
    12,680.35/19,023.64 = 4,360.48/x
  3. Step 3: Cross multiply
    12,680.35x = 19,023.64 × 4,360.48
  4. Step 4: Simplify right side
    12,680.35x = 82,952,143.29
  5. Step 5: Solve for x
    x = 82,952,143.29/12,680.35
  6. Step 6: Final answer
    x = 6,541.79

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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.