Home / 8,921.00-13,356.87-6,723.07

Finding the Fourth Proportional to 8,921.00, 13,356.87 and 6,723.07

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Solution

The fourth proportional to 8,921.00, 13,356.87 and 6,723.07 is: 10,066.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921.00 : 13,356.87 = 6,723.07 : x
  2. Step 2: Convert to fraction form
    8,921.00/13,356.87 = 6,723.07/x
  3. Step 3: Cross multiply
    8,921.00x = 13,356.87 × 6,723.07
  4. Step 4: Simplify right side
    8,921.00x = 89,799,113.39
  5. Step 5: Solve for x
    x = 89,799,113.39/8,921.00
  6. Step 6: Final answer
    x = 10,066.03

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1.5x scale

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.