Home / 21,202.04-29,259.26-11,642.30

Finding the Fourth Proportional to 21,202.04, 29,259.26 and 11,642.30

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Solution

The fourth proportional to 21,202.04, 29,259.26 and 11,642.30 is: 16,066.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,202.04 : 29,259.26 = 11,642.30 : x
  2. Step 2: Convert to fraction form
    21,202.04/29,259.26 = 11,642.30/x
  3. Step 3: Cross multiply
    21,202.04x = 29,259.26 × 11,642.30
  4. Step 4: Simplify right side
    21,202.04x = 340,645,082.70
  5. Step 5: Solve for x
    x = 340,645,082.70/21,202.04
  6. Step 6: Final answer
    x = 16,066.62

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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.