Home / 21,293.58-29,386.62-11,862.48

Finding the Fourth Proportional to 21,293.58, 29,386.62 and 11,862.48

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Solution

The fourth proportional to 21,293.58, 29,386.62 and 11,862.48 is: 16,371.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,293.58 : 29,386.62 = 11,862.48 : x
  2. Step 2: Convert to fraction form
    21,293.58/29,386.62 = 11,862.48/x
  3. Step 3: Cross multiply
    21,293.58x = 29,386.62 × 11,862.48
  4. Step 4: Simplify right side
    21,293.58x = 348,598,192.02
  5. Step 5: Solve for x
    x = 348,598,192.02/21,293.58
  6. Step 6: Final answer
    x = 16,371.05

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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.