Home / 12,869.40-19,304.10-4,549.35

Finding the Fourth Proportional to 12,869.40, 19,304.10 and 4,549.35

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Solution

The fourth proportional to 12,869.40, 19,304.10 and 4,549.35 is: 6,824.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,869.40 : 19,304.10 = 4,549.35 : x
  2. Step 2: Convert to fraction form
    12,869.40/19,304.10 = 4,549.35/x
  3. Step 3: Cross multiply
    12,869.40x = 19,304.10 × 4,549.35
  4. Step 4: Simplify right side
    12,869.40x = 87,821,107.34
  5. Step 5: Solve for x
    x = 87,821,107.34/12,869.40
  6. Step 6: Final answer
    x = 6,824.03

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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.