Home / 14,412.64-21,607.44-5,645.92

Finding the Fourth Proportional to 14,412.64, 21,607.44 and 5,645.92

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Solution

The fourth proportional to 14,412.64, 21,607.44 and 5,645.92 is: 8,464.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.64 : 21,607.44 = 5,645.92 : x
  2. Step 2: Convert to fraction form
    14,412.64/21,607.44 = 5,645.92/x
  3. Step 3: Cross multiply
    14,412.64x = 21,607.44 × 5,645.92
  4. Step 4: Simplify right side
    14,412.64x = 121,993,877.64
  5. Step 5: Solve for x
    x = 121,993,877.64/14,412.64
  6. Step 6: Final answer
    x = 8,464.37

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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.