Home / 14,218.08-21,327.76-4,356.64

Finding the Fourth Proportional to 14,218.08, 21,327.76 and 4,356.64

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Solution

The fourth proportional to 14,218.08, 21,327.76 and 4,356.64 is: 6,535.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.08 : 21,327.76 = 4,356.64 : x
  2. Step 2: Convert to fraction form
    14,218.08/21,327.76 = 4,356.64/x
  3. Step 3: Cross multiply
    14,218.08x = 21,327.76 × 4,356.64
  4. Step 4: Simplify right side
    14,218.08x = 92,917,372.33
  5. Step 5: Solve for x
    x = 92,917,372.33/14,218.08
  6. Step 6: Final answer
    x = 6,535.16

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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.