Home / 9,427.20-14,211.36-8,792.88

Finding the Fourth Proportional to 9,427.20, 14,211.36 and 8,792.88

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Solution

The fourth proportional to 9,427.20, 14,211.36 and 8,792.88 is: 13,255.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.20 : 14,211.36 = 8,792.88 : x
  2. Step 2: Convert to fraction form
    9,427.20/14,211.36 = 8,792.88/x
  3. Step 3: Cross multiply
    9,427.20x = 14,211.36 × 8,792.88
  4. Step 4: Simplify right side
    9,427.20x = 124,958,783.12
  5. Step 5: Solve for x
    x = 124,958,783.12/9,427.20
  6. Step 6: Final answer
    x = 13,255.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.