Home / 13,575.36-20,362.80-5,789.52

Finding the Fourth Proportional to 13,575.36, 20,362.80 and 5,789.52

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Solution

The fourth proportional to 13,575.36, 20,362.80 and 5,789.52 is: 8,684.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575.36 : 20,362.80 = 5,789.52 : x
  2. Step 2: Convert to fraction form
    13,575.36/20,362.80 = 5,789.52/x
  3. Step 3: Cross multiply
    13,575.36x = 20,362.80 × 5,789.52
  4. Step 4: Simplify right side
    13,575.36x = 117,890,837.86
  5. Step 5: Solve for x
    x = 117,890,837.86/13,575.36
  6. Step 6: Final answer
    x = 8,684.18

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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.