Home / 21,053.48-29,050.92-11,622.02

Finding the Fourth Proportional to 21,053.48, 29,050.92 and 11,622.02

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Solution

The fourth proportional to 21,053.48, 29,050.92 and 11,622.02 is: 16,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,053.48 : 29,050.92 = 11,622.02 : x
  2. Step 2: Convert to fraction form
    21,053.48/29,050.92 = 11,622.02/x
  3. Step 3: Cross multiply
    21,053.48x = 29,050.92 × 11,622.02
  4. Step 4: Simplify right side
    21,053.48x = 337,630,373.26
  5. Step 5: Solve for x
    x = 337,630,373.26/21,053.48
  6. Step 6: Final answer
    x = 16,036.80

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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.