Home / 13,456.32-20,181.60-5,663.04

Finding the Fourth Proportional to 13,456.32, 20,181.60 and 5,663.04

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Solution

The fourth proportional to 13,456.32, 20,181.60 and 5,663.04 is: 8,493.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456.32 : 20,181.60 = 5,663.04 : x
  2. Step 2: Convert to fraction form
    13,456.32/20,181.60 = 5,663.04/x
  3. Step 3: Cross multiply
    13,456.32x = 20,181.60 × 5,663.04
  4. Step 4: Simplify right side
    13,456.32x = 114,289,208.06
  5. Step 5: Solve for x
    x = 114,289,208.06/13,456.32
  6. Step 6: Final answer
    x = 8,493.35

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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.