Home / 21,048.90-29,046.72-11,617.26

Finding the Fourth Proportional to 21,048.90, 29,046.72 and 11,617.26

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Solution

The fourth proportional to 21,048.90, 29,046.72 and 11,617.26 is: 16,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048.90 : 29,046.72 = 11,617.26 : x
  2. Step 2: Convert to fraction form
    21,048.90/29,046.72 = 11,617.26/x
  3. Step 3: Cross multiply
    21,048.90x = 29,046.72 × 11,617.26
  4. Step 4: Simplify right side
    21,048.90x = 337,443,298.39
  5. Step 5: Solve for x
    x = 337,443,298.39/21,048.90
  6. Step 6: Final answer
    x = 16,031.40

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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.