Home / 21,276.46-29,363.07-11,844.42

Finding the Fourth Proportional to 21,276.46, 29,363.07 and 11,844.42

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Solution

The fourth proportional to 21,276.46, 29,363.07 and 11,844.42 is: 16,346.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,276.46 : 29,363.07 = 11,844.42 : x
  2. Step 2: Convert to fraction form
    21,276.46/29,363.07 = 11,844.42/x
  3. Step 3: Cross multiply
    21,276.46x = 29,363.07 × 11,844.42
  4. Step 4: Simplify right side
    21,276.46x = 347,788,533.57
  5. Step 5: Solve for x
    x = 347,788,533.57/21,276.46
  6. Step 6: Final answer
    x = 16,346.17

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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.