Home / 21,203.01-29,260.44-11,643.39

Finding the Fourth Proportional to 21,203.01, 29,260.44 and 11,643.39

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Solution

The fourth proportional to 21,203.01, 29,260.44 and 11,643.39 is: 16,068.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,203.01 : 29,260.44 = 11,643.39 : x
  2. Step 2: Convert to fraction form
    21,203.01/29,260.44 = 11,643.39/x
  3. Step 3: Cross multiply
    21,203.01x = 29,260.44 × 11,643.39
  4. Step 4: Simplify right side
    21,203.01x = 340,690,714.49
  5. Step 5: Solve for x
    x = 340,690,714.49/21,203.01
  6. Step 6: Final answer
    x = 16,068.04

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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.