Home / 14,213.22-19,619.66-10,686.68

Finding the Fourth Proportional to 14,213.22, 19,619.66 and 10,686.68

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Solution

The fourth proportional to 14,213.22, 19,619.66 and 10,686.68 is: 14,751.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,213.22 : 19,619.66 = 10,686.68 : x
  2. Step 2: Convert to fraction form
    14,213.22/19,619.66 = 10,686.68/x
  3. Step 3: Cross multiply
    14,213.22x = 19,619.66 × 10,686.68
  4. Step 4: Simplify right side
    14,213.22x = 209,668,876.60
  5. Step 5: Solve for x
    x = 209,668,876.60/14,213.22
  6. Step 6: Final answer
    x = 14,751.68

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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.