Home / 14,163.60-21,223.20-8,958.48

Finding the Fourth Proportional to 14,163.60, 21,223.20 and 8,958.48

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Solution

The fourth proportional to 14,163.60, 21,223.20 and 8,958.48 is: 13,423.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163.60 : 21,223.20 = 8,958.48 : x
  2. Step 2: Convert to fraction form
    14,163.60/21,223.20 = 8,958.48/x
  3. Step 3: Cross multiply
    14,163.60x = 21,223.20 × 8,958.48
  4. Step 4: Simplify right side
    14,163.60x = 190,127,612.74
  5. Step 5: Solve for x
    x = 190,127,612.74/14,163.60
  6. Step 6: Final answer
    x = 13,423.68

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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.