Home / 13,623.45-20,426.97-8,883.14

Finding the Fourth Proportional to 13,623.45, 20,426.97 and 8,883.14

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Solution

The fourth proportional to 13,623.45, 20,426.97 and 8,883.14 is: 13,319.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623.45 : 20,426.97 = 8,883.14 : x
  2. Step 2: Convert to fraction form
    13,623.45/20,426.97 = 8,883.14/x
  3. Step 3: Cross multiply
    13,623.45x = 20,426.97 × 8,883.14
  4. Step 4: Simplify right side
    13,623.45x = 181,455,532.15
  5. Step 5: Solve for x
    x = 181,455,532.15/13,623.45
  6. Step 6: Final answer
    x = 13,319.35

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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.