Home / 19,713.20-27,200.80-11,752.52

Finding the Fourth Proportional to 19,713.20, 27,200.80 and 11,752.52

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Solution

The fourth proportional to 19,713.20, 27,200.80 and 11,752.52 is: 16,216.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,713.20 : 27,200.80 = 11,752.52 : x
  2. Step 2: Convert to fraction form
    19,713.20/27,200.80 = 11,752.52/x
  3. Step 3: Cross multiply
    19,713.20x = 27,200.80 × 11,752.52
  4. Step 4: Simplify right side
    19,713.20x = 319,677,946.02
  5. Step 5: Solve for x
    x = 319,677,946.02/19,713.20
  6. Step 6: Final answer
    x = 16,216.44

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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.