Home / 19,480.95-26,871.24-13,510.44

Finding the Fourth Proportional to 19,480.95, 26,871.24 and 13,510.44

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Solution

The fourth proportional to 19,480.95, 26,871.24 and 13,510.44 is: 18,635.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,480.95 : 26,871.24 = 13,510.44 : x
  2. Step 2: Convert to fraction form
    19,480.95/26,871.24 = 13,510.44/x
  3. Step 3: Cross multiply
    19,480.95x = 26,871.24 × 13,510.44
  4. Step 4: Simplify right side
    19,480.95x = 363,042,141.39
  5. Step 5: Solve for x
    x = 363,042,141.39/19,480.95
  6. Step 6: Final answer
    x = 18,635.76

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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.