Home / 21,296.82-29,389.58-12,349.52

Finding the Fourth Proportional to 21,296.82, 29,389.58 and 12,349.52

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Solution

The fourth proportional to 21,296.82, 29,389.58 and 12,349.52 is: 17,042.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,296.82 : 29,389.58 = 12,349.52 : x
  2. Step 2: Convert to fraction form
    21,296.82/29,389.58 = 12,349.52/x
  3. Step 3: Cross multiply
    21,296.82x = 29,389.58 × 12,349.52
  4. Step 4: Simplify right side
    21,296.82x = 362,947,206.00
  5. Step 5: Solve for x
    x = 362,947,206.00/21,296.82
  6. Step 6: Final answer
    x = 17,042.32

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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.