Home / 13,525.34-20,287.25-3,663.89

Finding the Fourth Proportional to 13,525.34, 20,287.25 and 3,663.89

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Solution

The fourth proportional to 13,525.34, 20,287.25 and 3,663.89 is: 5,495.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.34 : 20,287.25 = 3,663.89 : x
  2. Step 2: Convert to fraction form
    13,525.34/20,287.25 = 3,663.89/x
  3. Step 3: Cross multiply
    13,525.34x = 20,287.25 × 3,663.89
  4. Step 4: Simplify right side
    13,525.34x = 74,330,298.54
  5. Step 5: Solve for x
    x = 74,330,298.54/13,525.34
  6. Step 6: Final answer
    x = 5,495.63

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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.