Home / 10,334.80-15,502.20-9,427.60

Finding the Fourth Proportional to 10,334.80, 15,502.20 and 9,427.60

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Solution

The fourth proportional to 10,334.80, 15,502.20 and 9,427.60 is: 14,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,334.80 : 15,502.20 = 9,427.60 : x
  2. Step 2: Convert to fraction form
    10,334.80/15,502.20 = 9,427.60/x
  3. Step 3: Cross multiply
    10,334.80x = 15,502.20 × 9,427.60
  4. Step 4: Simplify right side
    10,334.80x = 146,148,540.72
  5. Step 5: Solve for x
    x = 146,148,540.72/10,334.80
  6. Step 6: Final answer
    x = 14,141.40

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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.