Home / 21,495.91-29,664.35-12,064.47

Finding the Fourth Proportional to 21,495.91, 29,664.35 and 12,064.47

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Solution

The fourth proportional to 21,495.91, 29,664.35 and 12,064.47 is: 16,648.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,495.91 : 29,664.35 = 12,064.47 : x
  2. Step 2: Convert to fraction form
    21,495.91/29,664.35 = 12,064.47/x
  3. Step 3: Cross multiply
    21,495.91x = 29,664.35 × 12,064.47
  4. Step 4: Simplify right side
    21,495.91x = 357,884,660.64
  5. Step 5: Solve for x
    x = 357,884,660.64/21,495.91
  6. Step 6: Final answer
    x = 16,648.97

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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.