Home / 12,904.19-19,343.21-8,744.62

Finding the Fourth Proportional to 12,904.19, 19,343.21 and 8,744.62

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Solution

The fourth proportional to 12,904.19, 19,343.21 and 8,744.62 is: 13,108.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904.19 : 19,343.21 = 8,744.62 : x
  2. Step 2: Convert to fraction form
    12,904.19/19,343.21 = 8,744.62/x
  3. Step 3: Cross multiply
    12,904.19x = 19,343.21 × 8,744.62
  4. Step 4: Simplify right side
    12,904.19x = 169,148,909.08
  5. Step 5: Solve for x
    x = 169,148,909.08/12,904.19
  6. Step 6: Final answer
    x = 13,108.07

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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.