Home / 10,680.40-16,009.64-4,444.02

Finding the Fourth Proportional to 10,680.40, 16,009.64 and 4,444.02

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Solution

The fourth proportional to 10,680.40, 16,009.64 and 4,444.02 is: 6,661.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680.40 : 16,009.64 = 4,444.02 : x
  2. Step 2: Convert to fraction form
    10,680.40/16,009.64 = 4,444.02/x
  3. Step 3: Cross multiply
    10,680.40x = 16,009.64 × 4,444.02
  4. Step 4: Simplify right side
    10,680.40x = 71,147,160.35
  5. Step 5: Solve for x
    x = 71,147,160.35/10,680.40
  6. Step 6: Final answer
    x = 6,661.47

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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.