Home / 13,645.08-20,483.98-9,249.20

Finding the Fourth Proportional to 13,645.08, 20,483.98 and 9,249.20

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Solution

The fourth proportional to 13,645.08, 20,483.98 and 9,249.20 is: 13,884.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,645.08 : 20,483.98 = 9,249.20 : x
  2. Step 2: Convert to fraction form
    13,645.08/20,483.98 = 9,249.20/x
  3. Step 3: Cross multiply
    13,645.08x = 20,483.98 × 9,249.20
  4. Step 4: Simplify right side
    13,645.08x = 189,460,427.82
  5. Step 5: Solve for x
    x = 189,460,427.82/13,645.08
  6. Step 6: Final answer
    x = 13,884.89

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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.