Home / 14,372.16-21,558.24-6,465.44

Finding the Fourth Proportional to 14,372.16, 21,558.24 and 6,465.44

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Solution

The fourth proportional to 14,372.16, 21,558.24 and 6,465.44 is: 9,698.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,372.16 : 21,558.24 = 6,465.44 : x
  2. Step 2: Convert to fraction form
    14,372.16/21,558.24 = 6,465.44/x
  3. Step 3: Cross multiply
    14,372.16x = 21,558.24 × 6,465.44
  4. Step 4: Simplify right side
    14,372.16x = 139,383,492.90
  5. Step 5: Solve for x
    x = 139,383,492.90/14,372.16
  6. Step 6: Final answer
    x = 9,698.16

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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.