Home / 10,954.64-16,430.42-3,559.20

Finding the Fourth Proportional to 10,954.64, 16,430.42 and 3,559.20

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Solution

The fourth proportional to 10,954.64, 16,430.42 and 3,559.20 is: 5,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.64 : 16,430.42 = 3,559.20 : x
  2. Step 2: Convert to fraction form
    10,954.64/16,430.42 = 3,559.20/x
  3. Step 3: Cross multiply
    10,954.64x = 16,430.42 × 3,559.20
  4. Step 4: Simplify right side
    10,954.64x = 58,479,150.86
  5. Step 5: Solve for x
    x = 58,479,150.86/10,954.64
  6. Step 6: Final answer
    x = 5,338.30

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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.