Home / 13,563.24-20,383.08-8,019.18

Finding the Fourth Proportional to 13,563.24, 20,383.08 and 8,019.18

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Solution

The fourth proportional to 13,563.24, 20,383.08 and 8,019.18 is: 12,051.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563.24 : 20,383.08 = 8,019.18 : x
  2. Step 2: Convert to fraction form
    13,563.24/20,383.08 = 8,019.18/x
  3. Step 3: Cross multiply
    13,563.24x = 20,383.08 × 8,019.18
  4. Step 4: Simplify right side
    13,563.24x = 163,455,587.47
  5. Step 5: Solve for x
    x = 163,455,587.47/13,563.24
  6. Step 6: Final answer
    x = 12,051.37

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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.