Home / 13,549.83-20,298.44-9,985.48

Finding the Fourth Proportional to 13,549.83, 20,298.44 and 9,985.48

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Solution

The fourth proportional to 13,549.83, 20,298.44 and 9,985.48 is: 14,958.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.83 : 20,298.44 = 9,985.48 : x
  2. Step 2: Convert to fraction form
    13,549.83/20,298.44 = 9,985.48/x
  3. Step 3: Cross multiply
    13,549.83x = 20,298.44 × 9,985.48
  4. Step 4: Simplify right side
    13,549.83x = 202,689,590.12
  5. Step 5: Solve for x
    x = 202,689,590.12/13,549.83
  6. Step 6: Final answer
    x = 14,958.83

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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.