Home / 21,160.04-29,201.22-11,599.76

Finding the Fourth Proportional to 21,160.04, 29,201.22 and 11,599.76

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Solution

The fourth proportional to 21,160.04, 29,201.22 and 11,599.76 is: 16,007.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,160.04 : 29,201.22 = 11,599.76 : x
  2. Step 2: Convert to fraction form
    21,160.04/29,201.22 = 11,599.76/x
  3. Step 3: Cross multiply
    21,160.04x = 29,201.22 × 11,599.76
  4. Step 4: Simplify right side
    21,160.04x = 338,727,143.71
  5. Step 5: Solve for x
    x = 338,727,143.71/21,160.04
  6. Step 6: Final answer
    x = 16,007.87

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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.