Home / 12,884.97-19,326.51-4,117.53

Finding the Fourth Proportional to 12,884.97, 19,326.51 and 4,117.53

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Solution

The fourth proportional to 12,884.97, 19,326.51 and 4,117.53 is: 6,175.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884.97 : 19,326.51 = 4,117.53 : x
  2. Step 2: Convert to fraction form
    12,884.97/19,326.51 = 4,117.53/x
  3. Step 3: Cross multiply
    12,884.97x = 19,326.51 × 4,117.53
  4. Step 4: Simplify right side
    12,884.97x = 79,577,484.72
  5. Step 5: Solve for x
    x = 79,577,484.72/12,884.97
  6. Step 6: Final answer
    x = 6,175.99

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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.