Home / 19,480.96-26,871.26-13,510.45

Finding the Fourth Proportional to 19,480.96, 26,871.26 and 13,510.45

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Solution

The fourth proportional to 19,480.96, 26,871.26 and 13,510.45 is: 18,635.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,480.96 : 26,871.26 = 13,510.45 : x
  2. Step 2: Convert to fraction form
    19,480.96/26,871.26 = 13,510.45/x
  3. Step 3: Cross multiply
    19,480.96x = 26,871.26 × 13,510.45
  4. Step 4: Simplify right side
    19,480.96x = 363,042,856.70
  5. Step 5: Solve for x
    x = 363,042,856.70/19,480.96
  6. Step 6: Final answer
    x = 18,635.78

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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.