Home / 12,876.96-19,318.34-6,953.72

Finding the Fourth Proportional to 12,876.96, 19,318.34 and 6,953.72

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Solution

The fourth proportional to 12,876.96, 19,318.34 and 6,953.72 is: 10,432.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,876.96 : 19,318.34 = 6,953.72 : x
  2. Step 2: Convert to fraction form
    12,876.96/19,318.34 = 6,953.72/x
  3. Step 3: Cross multiply
    12,876.96x = 19,318.34 × 6,953.72
  4. Step 4: Simplify right side
    12,876.96x = 134,334,195.86
  5. Step 5: Solve for x
    x = 134,334,195.86/12,876.96
  6. Step 6: Final answer
    x = 10,432.14

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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.