Home / 20,365.29-30,508.16-9,676.44

Finding the Fourth Proportional to 20,365.29, 30,508.16 and 9,676.44

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Solution

The fourth proportional to 20,365.29, 30,508.16 and 9,676.44 is: 14,495.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,365.29 : 30,508.16 = 9,676.44 : x
  2. Step 2: Convert to fraction form
    20,365.29/30,508.16 = 9,676.44/x
  3. Step 3: Cross multiply
    20,365.29x = 30,508.16 × 9,676.44
  4. Step 4: Simplify right side
    20,365.29x = 295,210,276.46
  5. Step 5: Solve for x
    x = 295,210,276.46/20,365.29
  6. Step 6: Final answer
    x = 14,495.76

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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.