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Finding the Fourth Proportional to 9,981.63, 13,780.04 and 6,003.63

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Solution

The fourth proportional to 9,981.63, 13,780.04 and 6,003.63 is: 8,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.63 : 13,780.04 = 6,003.63 : x
  2. Step 2: Convert to fraction form
    9,981.63/13,780.04 = 6,003.63/x
  3. Step 3: Cross multiply
    9,981.63x = 13,780.04 × 6,003.63
  4. Step 4: Simplify right side
    9,981.63x = 82,730,207.65
  5. Step 5: Solve for x
    x = 82,730,207.65/9,981.63
  6. Step 6: Final answer
    x = 8,288.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.