Home / 9,786.72-14,677.68-4,587.36

Finding the Fourth Proportional to 9,786.72, 14,677.68 and 4,587.36

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Solution

The fourth proportional to 9,786.72, 14,677.68 and 4,587.36 is: 6,879.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786.72 : 14,677.68 = 4,587.36 : x
  2. Step 2: Convert to fraction form
    9,786.72/14,677.68 = 4,587.36/x
  3. Step 3: Cross multiply
    9,786.72x = 14,677.68 × 4,587.36
  4. Step 4: Simplify right side
    9,786.72x = 67,331,802.12
  5. Step 5: Solve for x
    x = 67,331,802.12/9,786.72
  6. Step 6: Final answer
    x = 6,879.92

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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.