Home / 21,073.32-29,081.34-11,643.48

Finding the Fourth Proportional to 21,073.32, 29,081.34 and 11,643.48

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Solution

The fourth proportional to 21,073.32, 29,081.34 and 11,643.48 is: 16,068.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,073.32 : 29,081.34 = 11,643.48 : x
  2. Step 2: Convert to fraction form
    21,073.32/29,081.34 = 11,643.48/x
  3. Step 3: Cross multiply
    21,073.32x = 29,081.34 × 11,643.48
  4. Step 4: Simplify right side
    21,073.32x = 338,608,000.66
  5. Step 5: Solve for x
    x = 338,608,000.66/21,073.32
  6. Step 6: Final answer
    x = 16,068.09

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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.