Home / 14,118.69-21,184.51-6,115.91

Finding the Fourth Proportional to 14,118.69, 21,184.51 and 6,115.91

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Solution

The fourth proportional to 14,118.69, 21,184.51 and 6,115.91 is: 9,176.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118.69 : 21,184.51 = 6,115.91 : x
  2. Step 2: Convert to fraction form
    14,118.69/21,184.51 = 6,115.91/x
  3. Step 3: Cross multiply
    14,118.69x = 21,184.51 × 6,115.91
  4. Step 4: Simplify right side
    14,118.69x = 129,562,473.01
  5. Step 5: Solve for x
    x = 129,562,473.01/14,118.69
  6. Step 6: Final answer
    x = 9,176.66

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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.