Home / 19,472.10-26,871.49-10,519.61

Finding the Fourth Proportional to 19,472.10, 26,871.49 and 10,519.61

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Solution

The fourth proportional to 19,472.10, 26,871.49 and 10,519.61 is: 14,517.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,472.10 : 26,871.49 = 10,519.61 : x
  2. Step 2: Convert to fraction form
    19,472.10/26,871.49 = 10,519.61/x
  3. Step 3: Cross multiply
    19,472.10x = 26,871.49 × 10,519.61
  4. Step 4: Simplify right side
    19,472.10x = 282,677,594.92
  5. Step 5: Solve for x
    x = 282,677,594.92/19,472.10
  6. Step 6: Final answer
    x = 14,517.06

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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.