Home / 11,335.04-16,981.14-6,389.69

Finding the Fourth Proportional to 11,335.04, 16,981.14 and 6,389.69

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Solution

The fourth proportional to 11,335.04, 16,981.14 and 6,389.69 is: 9,572.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.04 : 16,981.14 = 6,389.69 : x
  2. Step 2: Convert to fraction form
    11,335.04/16,981.14 = 6,389.69/x
  3. Step 3: Cross multiply
    11,335.04x = 16,981.14 × 6,389.69
  4. Step 4: Simplify right side
    11,335.04x = 108,504,159.50
  5. Step 5: Solve for x
    x = 108,504,159.50/11,335.04
  6. Step 6: Final answer
    x = 9,572.46

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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.