Home / 21,159.13-29,199.96-11,598.83

Finding the Fourth Proportional to 21,159.13, 29,199.96 and 11,598.83

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Solution

The fourth proportional to 21,159.13, 29,199.96 and 11,598.83 is: 16,006.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,159.13 : 29,199.96 = 11,598.83 : x
  2. Step 2: Convert to fraction form
    21,159.13/29,199.96 = 11,598.83/x
  3. Step 3: Cross multiply
    21,159.13x = 29,199.96 × 11,598.83
  4. Step 4: Simplify right side
    21,159.13x = 338,685,372.05
  5. Step 5: Solve for x
    x = 338,685,372.05/21,159.13
  6. Step 6: Final answer
    x = 16,006.58

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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.