Home / 14,305.32-21,455.50-3,914.60

Finding the Fourth Proportional to 14,305.32, 21,455.50 and 3,914.60

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Solution

The fourth proportional to 14,305.32, 21,455.50 and 3,914.60 is: 5,871.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305.32 : 21,455.50 = 3,914.60 : x
  2. Step 2: Convert to fraction form
    14,305.32/21,455.50 = 3,914.60/x
  3. Step 3: Cross multiply
    14,305.32x = 21,455.50 × 3,914.60
  4. Step 4: Simplify right side
    14,305.32x = 83,989,700.30
  5. Step 5: Solve for x
    x = 83,989,700.30/14,305.32
  6. Step 6: Final answer
    x = 5,871.22

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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.