Home / 19,707.80-27,200.25-11,750.52

Finding the Fourth Proportional to 19,707.80, 27,200.25 and 11,750.52

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Solution

The fourth proportional to 19,707.80, 27,200.25 and 11,750.52 is: 16,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.80 : 27,200.25 = 11,750.52 : x
  2. Step 2: Convert to fraction form
    19,707.80/27,200.25 = 11,750.52/x
  3. Step 3: Cross multiply
    19,707.80x = 27,200.25 × 11,750.52
  4. Step 4: Simplify right side
    19,707.80x = 319,617,081.63
  5. Step 5: Solve for x
    x = 319,617,081.63/19,707.80
  6. Step 6: Final answer
    x = 16,217.80

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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.