Home / 21,162.63-29,202.86-11,600.99

Finding the Fourth Proportional to 21,162.63, 29,202.86 and 11,600.99

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Solution

The fourth proportional to 21,162.63, 29,202.86 and 11,600.99 is: 16,008.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,162.63 : 29,202.86 = 11,600.99 : x
  2. Step 2: Convert to fraction form
    21,162.63/29,202.86 = 11,600.99/x
  3. Step 3: Cross multiply
    21,162.63x = 29,202.86 × 11,600.99
  4. Step 4: Simplify right side
    21,162.63x = 338,781,882.81
  5. Step 5: Solve for x
    x = 338,781,882.81/21,162.63
  6. Step 6: Final answer
    x = 16,008.50

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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.