Home / 19,743.90-27,200.25-13,764.66

Finding the Fourth Proportional to 19,743.90, 27,200.25 and 13,764.66

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Solution

The fourth proportional to 19,743.90, 27,200.25 and 13,764.66 is: 18,962.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,743.90 : 27,200.25 = 13,764.66 : x
  2. Step 2: Convert to fraction form
    19,743.90/27,200.25 = 13,764.66/x
  3. Step 3: Cross multiply
    19,743.90x = 27,200.25 × 13,764.66
  4. Step 4: Simplify right side
    19,743.90x = 374,402,193.17
  5. Step 5: Solve for x
    x = 374,402,193.17/19,743.90
  6. Step 6: Final answer
    x = 18,962.93

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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.