Home / 21,992.47-33,032.99-13,125.13

Finding the Fourth Proportional to 21,992.47, 33,032.99 and 13,125.13

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Solution

The fourth proportional to 21,992.47, 33,032.99 and 13,125.13 is: 19,714.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,992.47 : 33,032.99 = 13,125.13 : x
  2. Step 2: Convert to fraction form
    21,992.47/33,032.99 = 13,125.13/x
  3. Step 3: Cross multiply
    21,992.47x = 33,032.99 × 13,125.13
  4. Step 4: Simplify right side
    21,992.47x = 433,562,288.04
  5. Step 5: Solve for x
    x = 433,562,288.04/21,992.47
  6. Step 6: Final answer
    x = 19,714.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.