Home / 9,378.28-14,063.28-3,455.20

Finding the Fourth Proportional to 9,378.28, 14,063.28 and 3,455.20

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Solution

The fourth proportional to 9,378.28, 14,063.28 and 3,455.20 is: 5,181.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378.28 : 14,063.28 = 3,455.20 : x
  2. Step 2: Convert to fraction form
    9,378.28/14,063.28 = 3,455.20/x
  3. Step 3: Cross multiply
    9,378.28x = 14,063.28 × 3,455.20
  4. Step 4: Simplify right side
    9,378.28x = 48,591,445.06
  5. Step 5: Solve for x
    x = 48,591,445.06/9,378.28
  6. Step 6: Final answer
    x = 5,181.27

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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.