Home / 13,764.86-18,977.09-10,941.60

Finding the Fourth Proportional to 13,764.86, 18,977.09 and 10,941.60

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Solution

The fourth proportional to 13,764.86, 18,977.09 and 10,941.60 is: 15,084.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.86 : 18,977.09 = 10,941.60 : x
  2. Step 2: Convert to fraction form
    13,764.86/18,977.09 = 10,941.60/x
  3. Step 3: Cross multiply
    13,764.86x = 18,977.09 × 10,941.60
  4. Step 4: Simplify right side
    13,764.86x = 207,639,673.24
  5. Step 5: Solve for x
    x = 207,639,673.24/13,764.86
  6. Step 6: Final answer
    x = 15,084.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.