Home / 19,620.88-27,077.02-10,668.48

Finding the Fourth Proportional to 19,620.88, 27,077.02 and 10,668.48

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Solution

The fourth proportional to 19,620.88, 27,077.02 and 10,668.48 is: 14,722.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.88 : 27,077.02 = 10,668.48 : x
  2. Step 2: Convert to fraction form
    19,620.88/27,077.02 = 10,668.48/x
  3. Step 3: Cross multiply
    19,620.88x = 27,077.02 × 10,668.48
  4. Step 4: Simplify right side
    19,620.88x = 288,870,646.33
  5. Step 5: Solve for x
    x = 288,870,646.33/19,620.88
  6. Step 6: Final answer
    x = 14,722.61

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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.