Home / 19,719.45-27,202.64-14,335.79

Finding the Fourth Proportional to 19,719.45, 27,202.64 and 14,335.79

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Solution

The fourth proportional to 19,719.45, 27,202.64 and 14,335.79 is: 19,775.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,719.45 : 27,202.64 = 14,335.79 : x
  2. Step 2: Convert to fraction form
    19,719.45/27,202.64 = 14,335.79/x
  3. Step 3: Cross multiply
    19,719.45x = 27,202.64 × 14,335.79
  4. Step 4: Simplify right side
    19,719.45x = 389,971,126.79
  5. Step 5: Solve for x
    x = 389,971,126.79/19,719.45
  6. Step 6: Final answer
    x = 19,775.96

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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.