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Finding the Fourth Proportional to 9,980.72, 13,767 and 6,003.08

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Solution

The fourth proportional to 9,980.72, 13,767 and 6,003.08 is: 8,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980.72 : 13,767 = 6,003.08 : x
  2. Step 2: Convert to fraction form
    9,980.72/13,767 = 6,003.08/x
  3. Step 3: Cross multiply
    9,980.72x = 13,767 × 6,003.08
  4. Step 4: Simplify right side
    9,980.72x = 82,644,402.36
  5. Step 5: Solve for x
    x = 82,644,402.36/9,980.72
  6. Step 6: Final answer
    x = 8,280.40

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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.