Home / 14,256.70-19,676.94-9,402.88

Finding the Fourth Proportional to 14,256.70, 19,676.94 and 9,402.88

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Solution

The fourth proportional to 14,256.70, 19,676.94 and 9,402.88 is: 12,977.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.70 : 19,676.94 = 9,402.88 : x
  2. Step 2: Convert to fraction form
    14,256.70/19,676.94 = 9,402.88/x
  3. Step 3: Cross multiply
    14,256.70x = 19,676.94 × 9,402.88
  4. Step 4: Simplify right side
    14,256.70x = 185,019,905.59
  5. Step 5: Solve for x
    x = 185,019,905.59/14,256.70
  6. Step 6: Final answer
    x = 12,977.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.