Home / 10,664.31-15,996.71-8,474.58

Finding the Fourth Proportional to 10,664.31, 15,996.71 and 8,474.58

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Solution

The fourth proportional to 10,664.31, 15,996.71 and 8,474.58 is: 12,712.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664.31 : 15,996.71 = 8,474.58 : x
  2. Step 2: Convert to fraction form
    10,664.31/15,996.71 = 8,474.58/x
  3. Step 3: Cross multiply
    10,664.31x = 15,996.71 × 8,474.58
  4. Step 4: Simplify right side
    10,664.31x = 135,565,356.26
  5. Step 5: Solve for x
    x = 135,565,356.26/10,664.31
  6. Step 6: Final answer
    x = 12,712.06

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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.