Home / 21,233.01-29,301.93-11,673.30

Finding the Fourth Proportional to 21,233.01, 29,301.93 and 11,673.30

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Solution

The fourth proportional to 21,233.01, 29,301.93 and 11,673.30 is: 16,109.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,233.01 : 29,301.93 = 11,673.30 : x
  2. Step 2: Convert to fraction form
    21,233.01/29,301.93 = 11,673.30/x
  3. Step 3: Cross multiply
    21,233.01x = 29,301.93 × 11,673.30
  4. Step 4: Simplify right side
    21,233.01x = 342,050,219.47
  5. Step 5: Solve for x
    x = 342,050,219.47/21,233.01
  6. Step 6: Final answer
    x = 16,109.36

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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.