Home / 19,714.19-27,205.65-10,761.89

Finding the Fourth Proportional to 19,714.19, 27,205.65 and 10,761.89

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Solution

The fourth proportional to 19,714.19, 27,205.65 and 10,761.89 is: 14,851.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,714.19 : 27,205.65 = 10,761.89 : x
  2. Step 2: Convert to fraction form
    19,714.19/27,205.65 = 10,761.89/x
  3. Step 3: Cross multiply
    19,714.19x = 27,205.65 × 10,761.89
  4. Step 4: Simplify right side
    19,714.19x = 292,784,212.68
  5. Step 5: Solve for x
    x = 292,784,212.68/19,714.19
  6. Step 6: Final answer
    x = 14,851.45

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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.