Home / 14,945.04-20,661.48-11,212.56

Finding the Fourth Proportional to 14,945.04, 20,661.48 and 11,212.56

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Solution

The fourth proportional to 14,945.04, 20,661.48 and 11,212.56 is: 15,501.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.04 : 20,661.48 = 11,212.56 : x
  2. Step 2: Convert to fraction form
    14,945.04/20,661.48 = 11,212.56/x
  3. Step 3: Cross multiply
    14,945.04x = 20,661.48 × 11,212.56
  4. Step 4: Simplify right side
    14,945.04x = 231,668,084.19
  5. Step 5: Solve for x
    x = 231,668,084.19/14,945.04
  6. Step 6: Final answer
    x = 15,501.34

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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.