Home / 13,525.32-20,288-4,758.19

Finding the Fourth Proportional to 13,525.32, 20,288 and 4,758.19

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Solution

The fourth proportional to 13,525.32, 20,288 and 4,758.19 is: 7,137.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.32 : 20,288 = 4,758.19 : x
  2. Step 2: Convert to fraction form
    13,525.32/20,288 = 4,758.19/x
  3. Step 3: Cross multiply
    13,525.32x = 20,288 × 4,758.19
  4. Step 4: Simplify right side
    13,525.32x = 96,534,158.72
  5. Step 5: Solve for x
    x = 96,534,158.72/13,525.32
  6. Step 6: Final answer
    x = 7,137.29

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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.