Home / 9,981.81-13,770.54-6,000.64

Finding the Fourth Proportional to 9,981.81, 13,770.54 and 6,000.64

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Solution

The fourth proportional to 9,981.81, 13,770.54 and 6,000.64 is: 8,278.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.81 : 13,770.54 = 6,000.64 : x
  2. Step 2: Convert to fraction form
    9,981.81/13,770.54 = 6,000.64/x
  3. Step 3: Cross multiply
    9,981.81x = 13,770.54 × 6,000.64
  4. Step 4: Simplify right side
    9,981.81x = 82,632,018.72
  5. Step 5: Solve for x
    x = 82,632,018.72/9,981.81
  6. Step 6: Final answer
    x = 8,278.26

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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.