Home / 15,563.43-21,476.70-9,595.62

Finding the Fourth Proportional to 15,563.43, 21,476.70 and 9,595.62

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Solution

The fourth proportional to 15,563.43, 21,476.70 and 9,595.62 is: 13,241.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,563.43 : 21,476.70 = 9,595.62 : x
  2. Step 2: Convert to fraction form
    15,563.43/21,476.70 = 9,595.62/x
  3. Step 3: Cross multiply
    15,563.43x = 21,476.70 × 9,595.62
  4. Step 4: Simplify right side
    15,563.43x = 206,082,252.05
  5. Step 5: Solve for x
    x = 206,082,252.05/15,563.43
  6. Step 6: Final answer
    x = 13,241.44

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Half scale
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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.