Home / 14,249.40-21,374.04-4,386

Finding the Fourth Proportional to 14,249.40, 21,374.04 and 4,386

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Solution

The fourth proportional to 14,249.40, 21,374.04 and 4,386 is: 6,578.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.40 : 21,374.04 = 4,386 : x
  2. Step 2: Convert to fraction form
    14,249.40/21,374.04 = 4,386/x
  3. Step 3: Cross multiply
    14,249.40x = 21,374.04 × 4,386
  4. Step 4: Simplify right side
    14,249.40x = 93,746,539.44
  5. Step 5: Solve for x
    x = 93,746,539.44/14,249.40
  6. Step 6: Final answer
    x = 6,578.98

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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.