Home / 10,789.57-16,178.88-4,941.17

Finding the Fourth Proportional to 10,789.57, 16,178.88 and 4,941.17

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Solution

The fourth proportional to 10,789.57, 16,178.88 and 4,941.17 is: 7,409.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,789.57 : 16,178.88 = 4,941.17 : x
  2. Step 2: Convert to fraction form
    10,789.57/16,178.88 = 4,941.17/x
  3. Step 3: Cross multiply
    10,789.57x = 16,178.88 × 4,941.17
  4. Step 4: Simplify right side
    10,789.57x = 79,942,515.60
  5. Step 5: Solve for x
    x = 79,942,515.60/10,789.57
  6. Step 6: Final answer
    x = 7,409.24

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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.