Home / 10,664.29-15,994.61-2,871.28

Finding the Fourth Proportional to 10,664.29, 15,994.61 and 2,871.28

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Solution

The fourth proportional to 10,664.29, 15,994.61 and 2,871.28 is: 4,306.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664.29 : 15,994.61 = 2,871.28 : x
  2. Step 2: Convert to fraction form
    10,664.29/15,994.61 = 2,871.28/x
  3. Step 3: Cross multiply
    10,664.29x = 15,994.61 × 2,871.28
  4. Step 4: Simplify right side
    10,664.29x = 45,925,036.36
  5. Step 5: Solve for x
    x = 45,925,036.36/10,664.29
  6. Step 6: Final answer
    x = 4,306.43

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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.