Home / 10,626.32-14,660.36-6,645.92

Finding the Fourth Proportional to 10,626.32, 14,660.36 and 6,645.92

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Solution

The fourth proportional to 10,626.32, 14,660.36 and 6,645.92 is: 9,168.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,626.32 : 14,660.36 = 6,645.92 : x
  2. Step 2: Convert to fraction form
    10,626.32/14,660.36 = 6,645.92/x
  3. Step 3: Cross multiply
    10,626.32x = 14,660.36 × 6,645.92
  4. Step 4: Simplify right side
    10,626.32x = 97,431,579.73
  5. Step 5: Solve for x
    x = 97,431,579.73/10,626.32
  6. Step 6: Final answer
    x = 9,168.89

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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.