Home / 14,519.94-20,038.32-8,148.57

Finding the Fourth Proportional to 14,519.94, 20,038.32 and 8,148.57

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Solution

The fourth proportional to 14,519.94, 20,038.32 and 8,148.57 is: 11,245.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519.94 : 20,038.32 = 8,148.57 : x
  2. Step 2: Convert to fraction form
    14,519.94/20,038.32 = 8,148.57/x
  3. Step 3: Cross multiply
    14,519.94x = 20,038.32 × 8,148.57
  4. Step 4: Simplify right side
    14,519.94x = 163,283,578.06
  5. Step 5: Solve for x
    x = 163,283,578.06/14,519.94
  6. Step 6: Final answer
    x = 11,245.47

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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.