Home / 21,364.04-29,482.39-11,673.64

Finding the Fourth Proportional to 21,364.04, 29,482.39 and 11,673.64

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Solution

The fourth proportional to 21,364.04, 29,482.39 and 11,673.64 is: 16,109.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,364.04 : 29,482.39 = 11,673.64 : x
  2. Step 2: Convert to fraction form
    21,364.04/29,482.39 = 11,673.64/x
  3. Step 3: Cross multiply
    21,364.04x = 29,482.39 × 11,673.64
  4. Step 4: Simplify right side
    21,364.04x = 344,166,704.31
  5. Step 5: Solve for x
    x = 344,166,704.31/21,364.04
  6. Step 6: Final answer
    x = 16,109.62

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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.