Home / 13,402.24-18,501.44-8,933.44

Finding the Fourth Proportional to 13,402.24, 18,501.44 and 8,933.44

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Solution

The fourth proportional to 13,402.24, 18,501.44 and 8,933.44 is: 12,332.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,402.24 : 18,501.44 = 8,933.44 : x
  2. Step 2: Convert to fraction form
    13,402.24/18,501.44 = 8,933.44/x
  3. Step 3: Cross multiply
    13,402.24x = 18,501.44 × 8,933.44
  4. Step 4: Simplify right side
    13,402.24x = 165,281,504.15
  5. Step 5: Solve for x
    x = 165,281,504.15/13,402.24
  6. Step 6: Final answer
    x = 12,332.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.