Home / 9,972.41-13,767.64-6,619.75

Finding the Fourth Proportional to 9,972.41, 13,767.64 and 6,619.75

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Solution

The fourth proportional to 9,972.41, 13,767.64 and 6,619.75 is: 9,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,972.41 : 13,767.64 = 6,619.75 : x
  2. Step 2: Convert to fraction form
    9,972.41/13,767.64 = 6,619.75/x
  3. Step 3: Cross multiply
    9,972.41x = 13,767.64 × 6,619.75
  4. Step 4: Simplify right side
    9,972.41x = 91,138,283.92
  5. Step 5: Solve for x
    x = 91,138,283.92/9,972.41
  6. Step 6: Final answer
    x = 9,139.05

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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.