Home / 20,894.52-28,835.04-11,943.48

Finding the Fourth Proportional to 20,894.52, 28,835.04 and 11,943.48

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Solution

The fourth proportional to 20,894.52, 28,835.04 and 11,943.48 is: 16,482.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,894.52 : 28,835.04 = 11,943.48 : x
  2. Step 2: Convert to fraction form
    20,894.52/28,835.04 = 11,943.48/x
  3. Step 3: Cross multiply
    20,894.52x = 28,835.04 × 11,943.48
  4. Step 4: Simplify right side
    20,894.52x = 344,390,723.54
  5. Step 5: Solve for x
    x = 344,390,723.54/20,894.52
  6. Step 6: Final answer
    x = 16,482.35

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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.