Home / 21,266.24-29,347.17-11,705.91

Finding the Fourth Proportional to 21,266.24, 29,347.17 and 11,705.91

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Solution

The fourth proportional to 21,266.24, 29,347.17 and 11,705.91 is: 16,154.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,266.24 : 29,347.17 = 11,705.91 : x
  2. Step 2: Convert to fraction form
    21,266.24/29,347.17 = 11,705.91/x
  3. Step 3: Cross multiply
    21,266.24x = 29,347.17 × 11,705.91
  4. Step 4: Simplify right side
    21,266.24x = 343,535,330.77
  5. Step 5: Solve for x
    x = 343,535,330.77/21,266.24
  6. Step 6: Final answer
    x = 16,154.03

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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.