Home / 20,441.34-28,208.18-11,943.94

Finding the Fourth Proportional to 20,441.34, 28,208.18 and 11,943.94

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Solution

The fourth proportional to 20,441.34, 28,208.18 and 11,943.94 is: 16,482.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,441.34 : 28,208.18 = 11,943.94 : x
  2. Step 2: Convert to fraction form
    20,441.34/28,208.18 = 11,943.94/x
  3. Step 3: Cross multiply
    20,441.34x = 28,208.18 × 11,943.94
  4. Step 4: Simplify right side
    20,441.34x = 336,916,809.43
  5. Step 5: Solve for x
    x = 336,916,809.43/20,441.34
  6. Step 6: Final answer
    x = 16,482.13

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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.