Home / 43,409.36-65,116.32-12,247.04

Finding the Fourth Proportional to 43,409.36, 65,116.32 and 12,247.04

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Solution

The fourth proportional to 43,409.36, 65,116.32 and 12,247.04 is: 18,371.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,409.36 : 65,116.32 = 12,247.04 : x
  2. Step 2: Convert to fraction form
    43,409.36/65,116.32 = 12,247.04/x
  3. Step 3: Cross multiply
    43,409.36x = 65,116.32 × 12,247.04
  4. Step 4: Simplify right side
    43,409.36x = 797,482,175.69
  5. Step 5: Solve for x
    x = 797,482,175.69/43,409.36
  6. Step 6: Final answer
    x = 18,371.20

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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.