Home / 21,030.26-29,020.04-11,598.82

Finding the Fourth Proportional to 21,030.26, 29,020.04 and 11,598.82

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Solution

The fourth proportional to 21,030.26, 29,020.04 and 11,598.82 is: 16,005.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,030.26 : 29,020.04 = 11,598.82 : x
  2. Step 2: Convert to fraction form
    21,030.26/29,020.04 = 11,598.82/x
  3. Step 3: Cross multiply
    21,030.26x = 29,020.04 × 11,598.82
  4. Step 4: Simplify right side
    21,030.26x = 336,598,133.30
  5. Step 5: Solve for x
    x = 336,598,133.30/21,030.26
  6. Step 6: Final answer
    x = 16,005.42

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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.