Home / 19,811.52-27,339.94-10,859.34

Finding the Fourth Proportional to 19,811.52, 27,339.94 and 10,859.34

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Solution

The fourth proportional to 19,811.52, 27,339.94 and 10,859.34 is: 14,985.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,811.52 : 27,339.94 = 10,859.34 : x
  2. Step 2: Convert to fraction form
    19,811.52/27,339.94 = 10,859.34/x
  3. Step 3: Cross multiply
    19,811.52x = 27,339.94 × 10,859.34
  4. Step 4: Simplify right side
    19,811.52x = 296,893,704.04
  5. Step 5: Solve for x
    x = 296,893,704.04/19,811.52
  6. Step 6: Final answer
    x = 14,985.91

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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.