Home / 19,322.97-28,964.84-10,985.76

Finding the Fourth Proportional to 19,322.97, 28,964.84 and 10,985.76

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Solution

The fourth proportional to 19,322.97, 28,964.84 and 10,985.76 is: 16,467.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,322.97 : 28,964.84 = 10,985.76 : x
  2. Step 2: Convert to fraction form
    19,322.97/28,964.84 = 10,985.76/x
  3. Step 3: Cross multiply
    19,322.97x = 28,964.84 × 10,985.76
  4. Step 4: Simplify right side
    19,322.97x = 318,200,780.68
  5. Step 5: Solve for x
    x = 318,200,780.68/19,322.97
  6. Step 6: Final answer
    x = 16,467.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.