Home / 19,717.25-27,209.70-10,764.74

Finding the Fourth Proportional to 19,717.25, 27,209.70 and 10,764.74

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Solution

The fourth proportional to 19,717.25, 27,209.70 and 10,764.74 is: 14,855.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,717.25 : 27,209.70 = 10,764.74 : x
  2. Step 2: Convert to fraction form
    19,717.25/27,209.70 = 10,764.74/x
  3. Step 3: Cross multiply
    19,717.25x = 27,209.70 × 10,764.74
  4. Step 4: Simplify right side
    19,717.25x = 292,905,209.93
  5. Step 5: Solve for x
    x = 292,905,209.93/19,717.25
  6. Step 6: Final answer
    x = 14,855.28

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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.