Home / 13,523.12-20,284.68-5,625.48

Finding the Fourth Proportional to 13,523.12, 20,284.68 and 5,625.48

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Solution

The fourth proportional to 13,523.12, 20,284.68 and 5,625.48 is: 8,438.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,523.12 : 20,284.68 = 5,625.48 : x
  2. Step 2: Convert to fraction form
    13,523.12/20,284.68 = 5,625.48/x
  3. Step 3: Cross multiply
    13,523.12x = 20,284.68 × 5,625.48
  4. Step 4: Simplify right side
    13,523.12x = 114,111,111.34
  5. Step 5: Solve for x
    x = 114,111,111.34/13,523.12
  6. Step 6: Final answer
    x = 8,438.22

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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.