Home / 21,503.42-29,673.70-11,943.92

Finding the Fourth Proportional to 21,503.42, 29,673.70 and 11,943.92

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Solution

The fourth proportional to 21,503.42, 29,673.70 and 11,943.92 is: 16,482.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,503.42 : 29,673.70 = 11,943.92 : x
  2. Step 2: Convert to fraction form
    21,503.42/29,673.70 = 11,943.92/x
  3. Step 3: Cross multiply
    21,503.42x = 29,673.70 × 11,943.92
  4. Step 4: Simplify right side
    21,503.42x = 354,420,251.63
  5. Step 5: Solve for x
    x = 354,420,251.63/21,503.42
  6. Step 6: Final answer
    x = 16,482.04

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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.