Home / 10,401.60-14,343.48-8,914.44

Finding the Fourth Proportional to 10,401.60, 14,343.48 and 8,914.44

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Solution

The fourth proportional to 10,401.60, 14,343.48 and 8,914.44 is: 12,292.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,401.60 : 14,343.48 = 8,914.44 : x
  2. Step 2: Convert to fraction form
    10,401.60/14,343.48 = 8,914.44/x
  3. Step 3: Cross multiply
    10,401.60x = 14,343.48 × 8,914.44
  4. Step 4: Simplify right side
    10,401.60x = 127,864,091.85
  5. Step 5: Solve for x
    x = 127,864,091.85/10,401.60
  6. Step 6: Final answer
    x = 12,292.73

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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.