Home / 10,617.08-15,922.74-3,690.68

Finding the Fourth Proportional to 10,617.08, 15,922.74 and 3,690.68

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Solution

The fourth proportional to 10,617.08, 15,922.74 and 3,690.68 is: 5,535.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,617.08 : 15,922.74 = 3,690.68 : x
  2. Step 2: Convert to fraction form
    10,617.08/15,922.74 = 3,690.68/x
  3. Step 3: Cross multiply
    10,617.08x = 15,922.74 × 3,690.68
  4. Step 4: Simplify right side
    10,617.08x = 58,765,738.06
  5. Step 5: Solve for x
    x = 58,765,738.06/10,617.08
  6. Step 6: Final answer
    x = 5,535.02

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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.