Home / 12,877.21-19,318.71-6,953.97

Finding the Fourth Proportional to 12,877.21, 19,318.71 and 6,953.97

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Solution

The fourth proportional to 12,877.21, 19,318.71 and 6,953.97 is: 10,432.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,877.21 : 19,318.71 = 6,953.97 : x
  2. Step 2: Convert to fraction form
    12,877.21/19,318.71 = 6,953.97/x
  3. Step 3: Cross multiply
    12,877.21x = 19,318.71 × 6,953.97
  4. Step 4: Simplify right side
    12,877.21x = 134,341,729.78
  5. Step 5: Solve for x
    x = 134,341,729.78/12,877.21
  6. Step 6: Final answer
    x = 10,432.52

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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.