Home / 10,660.32-15,999.04-4,817.44

Finding the Fourth Proportional to 10,660.32, 15,999.04 and 4,817.44

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Solution

The fourth proportional to 10,660.32, 15,999.04 and 4,817.44 is: 7,230.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,660.32 : 15,999.04 = 4,817.44 : x
  2. Step 2: Convert to fraction form
    10,660.32/15,999.04 = 4,817.44/x
  3. Step 3: Cross multiply
    10,660.32x = 15,999.04 × 4,817.44
  4. Step 4: Simplify right side
    10,660.32x = 77,074,415.26
  5. Step 5: Solve for x
    x = 77,074,415.26/10,660.32
  6. Step 6: Final answer
    x = 7,230.03

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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.