Home / 19,780.63-27,301.73-12,234.26

Finding the Fourth Proportional to 19,780.63, 27,301.73 and 12,234.26

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Solution

The fourth proportional to 19,780.63, 27,301.73 and 12,234.26 is: 16,886.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,780.63 : 27,301.73 = 12,234.26 : x
  2. Step 2: Convert to fraction form
    19,780.63/27,301.73 = 12,234.26/x
  3. Step 3: Cross multiply
    19,780.63x = 27,301.73 × 12,234.26
  4. Step 4: Simplify right side
    19,780.63x = 334,016,470.35
  5. Step 5: Solve for x
    x = 334,016,470.35/19,780.63
  6. Step 6: Final answer
    x = 16,886.04

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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.