Home / 9,981.72-13,768.38-6,004.08

Finding the Fourth Proportional to 9,981.72, 13,768.38 and 6,004.08

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Solution

The fourth proportional to 9,981.72, 13,768.38 and 6,004.08 is: 8,281.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.72 : 13,768.38 = 6,004.08 : x
  2. Step 2: Convert to fraction form
    9,981.72/13,768.38 = 6,004.08/x
  3. Step 3: Cross multiply
    9,981.72x = 13,768.38 × 6,004.08
  4. Step 4: Simplify right side
    9,981.72x = 82,666,454.99
  5. Step 5: Solve for x
    x = 82,666,454.99/9,981.72
  6. Step 6: Final answer
    x = 8,281.78

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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.