Home / 10,980.23-16,470.54-3,960.77

Finding the Fourth Proportional to 10,980.23, 16,470.54 and 3,960.77

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Solution

The fourth proportional to 10,980.23, 16,470.54 and 3,960.77 is: 5,941.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,980.23 : 16,470.54 = 3,960.77 : x
  2. Step 2: Convert to fraction form
    10,980.23/16,470.54 = 3,960.77/x
  3. Step 3: Cross multiply
    10,980.23x = 16,470.54 × 3,960.77
  4. Step 4: Simplify right side
    10,980.23x = 65,235,938.36
  5. Step 5: Solve for x
    x = 65,235,938.36/10,980.23
  6. Step 6: Final answer
    x = 5,941.22

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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.