Home / 12,904.37-19,343.48-8,744.80

Finding the Fourth Proportional to 12,904.37, 19,343.48 and 8,744.80

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Solution

The fourth proportional to 12,904.37, 19,343.48 and 8,744.80 is: 13,108.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904.37 : 19,343.48 = 8,744.80 : x
  2. Step 2: Convert to fraction form
    12,904.37/19,343.48 = 8,744.80/x
  3. Step 3: Cross multiply
    12,904.37x = 19,343.48 × 8,744.80
  4. Step 4: Simplify right side
    12,904.37x = 169,154,793.68
  5. Step 5: Solve for x
    x = 169,154,793.68/12,904.37
  6. Step 6: Final answer
    x = 13,108.34

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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.