Home / 21,348.29-29,461.63-11,789.52

Finding the Fourth Proportional to 21,348.29, 29,461.63 and 11,789.52

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Solution

The fourth proportional to 21,348.29, 29,461.63 and 11,789.52 is: 16,270.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,348.29 : 29,461.63 = 11,789.52 : x
  2. Step 2: Convert to fraction form
    21,348.29/29,461.63 = 11,789.52/x
  3. Step 3: Cross multiply
    21,348.29x = 29,461.63 × 11,789.52
  4. Step 4: Simplify right side
    21,348.29x = 347,338,446.64
  5. Step 5: Solve for x
    x = 347,338,446.64/21,348.29
  6. Step 6: Final answer
    x = 16,270.09

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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.