Home / 13,648.08-20,488.48-9,252.20

Finding the Fourth Proportional to 13,648.08, 20,488.48 and 9,252.20

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Solution

The fourth proportional to 13,648.08, 20,488.48 and 9,252.20 is: 13,889.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,648.08 : 20,488.48 = 9,252.20 : x
  2. Step 2: Convert to fraction form
    13,648.08/20,488.48 = 9,252.20/x
  3. Step 3: Cross multiply
    13,648.08x = 20,488.48 × 9,252.20
  4. Step 4: Simplify right side
    13,648.08x = 189,563,514.66
  5. Step 5: Solve for x
    x = 189,563,514.66/13,648.08
  6. Step 6: Final answer
    x = 13,889.39

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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.