Home / 10,954.40-16,440.39-5,690.96

Finding the Fourth Proportional to 10,954.40, 16,440.39 and 5,690.96

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Solution

The fourth proportional to 10,954.40, 16,440.39 and 5,690.96 is: 8,541.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.40 : 16,440.39 = 5,690.96 : x
  2. Step 2: Convert to fraction form
    10,954.40/16,440.39 = 5,690.96/x
  3. Step 3: Cross multiply
    10,954.40x = 16,440.39 × 5,690.96
  4. Step 4: Simplify right side
    10,954.40x = 93,561,601.87
  5. Step 5: Solve for x
    x = 93,561,601.87/10,954.40
  6. Step 6: Final answer
    x = 8,541.01

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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.