Home / 21,059.60-29,061.89-11,628.16

Finding the Fourth Proportional to 21,059.60, 29,061.89 and 11,628.16

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Solution

The fourth proportional to 21,059.60, 29,061.89 and 11,628.16 is: 16,046.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,059.60 : 29,061.89 = 11,628.16 : x
  2. Step 2: Convert to fraction form
    21,059.60/29,061.89 = 11,628.16/x
  3. Step 3: Cross multiply
    21,059.60x = 29,061.89 × 11,628.16
  4. Step 4: Simplify right side
    21,059.60x = 337,936,219.63
  5. Step 5: Solve for x
    x = 337,936,219.63/21,059.60
  6. Step 6: Final answer
    x = 16,046.66

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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.