Home / 14,400.64-21,589.44-6,614.56

Finding the Fourth Proportional to 14,400.64, 21,589.44 and 6,614.56

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Solution

The fourth proportional to 14,400.64, 21,589.44 and 6,614.56 is: 9,916.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,400.64 : 21,589.44 = 6,614.56 : x
  2. Step 2: Convert to fraction form
    14,400.64/21,589.44 = 6,614.56/x
  3. Step 3: Cross multiply
    14,400.64x = 21,589.44 × 6,614.56
  4. Step 4: Simplify right side
    14,400.64x = 142,804,646.25
  5. Step 5: Solve for x
    x = 142,804,646.25/14,400.64
  6. Step 6: Final answer
    x = 9,916.55

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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.