Home / 14,342.72-21,506.24-4,479.36

Finding the Fourth Proportional to 14,342.72, 21,506.24 and 4,479.36

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Solution

The fourth proportional to 14,342.72, 21,506.24 and 4,479.36 is: 6,716.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.72 : 21,506.24 = 4,479.36 : x
  2. Step 2: Convert to fraction form
    14,342.72/21,506.24 = 4,479.36/x
  3. Step 3: Cross multiply
    14,342.72x = 21,506.24 × 4,479.36
  4. Step 4: Simplify right side
    14,342.72x = 96,334,191.21
  5. Step 5: Solve for x
    x = 96,334,191.21/14,342.72
  6. Step 6: Final answer
    x = 6,716.59

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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.