Home / 20,495.18-30,746.27-9,402.82

Finding the Fourth Proportional to 20,495.18, 30,746.27 and 9,402.82

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Solution

The fourth proportional to 20,495.18, 30,746.27 and 9,402.82 is: 14,105.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,495.18 : 30,746.27 = 9,402.82 : x
  2. Step 2: Convert to fraction form
    20,495.18/30,746.27 = 9,402.82/x
  3. Step 3: Cross multiply
    20,495.18x = 30,746.27 × 9,402.82
  4. Step 4: Simplify right side
    20,495.18x = 289,101,623.20
  5. Step 5: Solve for x
    x = 289,101,623.20/20,495.18
  6. Step 6: Final answer
    x = 14,105.83

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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.