Home / 21,225.33-29,291.45-11,665.44

Finding the Fourth Proportional to 21,225.33, 29,291.45 and 11,665.44

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Solution

The fourth proportional to 21,225.33, 29,291.45 and 11,665.44 is: 16,098.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,225.33 : 29,291.45 = 11,665.44 : x
  2. Step 2: Convert to fraction form
    21,225.33/29,291.45 = 11,665.44/x
  3. Step 3: Cross multiply
    21,225.33x = 29,291.45 × 11,665.44
  4. Step 4: Simplify right side
    21,225.33x = 341,697,594.16
  5. Step 5: Solve for x
    x = 341,697,594.16/21,225.33
  6. Step 6: Final answer
    x = 16,098.58

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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.