Home / 9,328.08-13,981.68-4,701.36

Finding the Fourth Proportional to 9,328.08, 13,981.68 and 4,701.36

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Solution

The fourth proportional to 9,328.08, 13,981.68 and 4,701.36 is: 7,046.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.08 : 13,981.68 = 4,701.36 : x
  2. Step 2: Convert to fraction form
    9,328.08/13,981.68 = 4,701.36/x
  3. Step 3: Cross multiply
    9,328.08x = 13,981.68 × 4,701.36
  4. Step 4: Simplify right side
    9,328.08x = 65,732,911.08
  5. Step 5: Solve for x
    x = 65,732,911.08/9,328.08
  6. Step 6: Final answer
    x = 7,046.78

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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.