Home / 19,815.58-27,344.77-10,862.88

Finding the Fourth Proportional to 19,815.58, 27,344.77 and 10,862.88

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Solution

The fourth proportional to 19,815.58, 27,344.77 and 10,862.88 is: 14,990.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815.58 : 27,344.77 = 10,862.88 : x
  2. Step 2: Convert to fraction form
    19,815.58/27,344.77 = 10,862.88/x
  3. Step 3: Cross multiply
    19,815.58x = 27,344.77 × 10,862.88
  4. Step 4: Simplify right side
    19,815.58x = 297,043,117.26
  5. Step 5: Solve for x
    x = 297,043,117.26/19,815.58
  6. Step 6: Final answer
    x = 14,990.38

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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.