Home / 21,632.28-29,852.54-11,696.28

Finding the Fourth Proportional to 21,632.28, 29,852.54 and 11,696.28

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Solution

The fourth proportional to 21,632.28, 29,852.54 and 11,696.28 is: 16,140.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632.28 : 29,852.54 = 11,696.28 : x
  2. Step 2: Convert to fraction form
    21,632.28/29,852.54 = 11,696.28/x
  3. Step 3: Cross multiply
    21,632.28x = 29,852.54 × 11,696.28
  4. Step 4: Simplify right side
    21,632.28x = 349,163,666.55
  5. Step 5: Solve for x
    x = 349,163,666.55/21,632.28
  6. Step 6: Final answer
    x = 16,140.86

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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.