Home / 12,869.22-19,300.34-4,548.13

Finding the Fourth Proportional to 12,869.22, 19,300.34 and 4,548.13

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Solution

The fourth proportional to 12,869.22, 19,300.34 and 4,548.13 is: 6,820.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,869.22 : 19,300.34 = 4,548.13 : x
  2. Step 2: Convert to fraction form
    12,869.22/19,300.34 = 4,548.13/x
  3. Step 3: Cross multiply
    12,869.22x = 19,300.34 × 4,548.13
  4. Step 4: Simplify right side
    12,869.22x = 87,780,455.36
  5. Step 5: Solve for x
    x = 87,780,455.36/12,869.22
  6. Step 6: Final answer
    x = 6,820.96

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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.