Home / 10,817.28-14,928.48-6,626.88

Finding the Fourth Proportional to 10,817.28, 14,928.48 and 6,626.88

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Solution

The fourth proportional to 10,817.28, 14,928.48 and 6,626.88 is: 9,145.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,817.28 : 14,928.48 = 6,626.88 : x
  2. Step 2: Convert to fraction form
    10,817.28/14,928.48 = 6,626.88/x
  3. Step 3: Cross multiply
    10,817.28x = 14,928.48 × 6,626.88
  4. Step 4: Simplify right side
    10,817.28x = 98,929,245.54
  5. Step 5: Solve for x
    x = 98,929,245.54/10,817.28
  6. Step 6: Final answer
    x = 9,145.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.