Home / 13,533.06-20,287.29-5,207.77

Finding the Fourth Proportional to 13,533.06, 20,287.29 and 5,207.77

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Solution

The fourth proportional to 13,533.06, 20,287.29 and 5,207.77 is: 7,806.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533.06 : 20,287.29 = 5,207.77 : x
  2. Step 2: Convert to fraction form
    13,533.06/20,287.29 = 5,207.77/x
  3. Step 3: Cross multiply
    13,533.06x = 20,287.29 × 5,207.77
  4. Step 4: Simplify right side
    13,533.06x = 105,651,540.24
  5. Step 5: Solve for x
    x = 105,651,540.24/13,533.06
  6. Step 6: Final answer
    x = 7,806.92

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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.