Home / 20,554.92-28,365.76-11,604.32

Finding the Fourth Proportional to 20,554.92, 28,365.76 and 11,604.32

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Solution

The fourth proportional to 20,554.92, 28,365.76 and 11,604.32 is: 16,013.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554.92 : 28,365.76 = 11,604.32 : x
  2. Step 2: Convert to fraction form
    20,554.92/28,365.76 = 11,604.32/x
  3. Step 3: Cross multiply
    20,554.92x = 28,365.76 × 11,604.32
  4. Step 4: Simplify right side
    20,554.92x = 329,165,356.08
  5. Step 5: Solve for x
    x = 329,165,356.08/20,554.92
  6. Step 6: Final answer
    x = 16,013.94

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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.