Home / 14,308.62-21,458.34-13,375.74

Finding the Fourth Proportional to 14,308.62, 21,458.34 and 13,375.74

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Solution

The fourth proportional to 14,308.62, 21,458.34 and 13,375.74 is: 20,059.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,308.62 : 21,458.34 = 13,375.74 : x
  2. Step 2: Convert to fraction form
    14,308.62/21,458.34 = 13,375.74/x
  3. Step 3: Cross multiply
    14,308.62x = 21,458.34 × 13,375.74
  4. Step 4: Simplify right side
    14,308.62x = 287,021,176.67
  5. Step 5: Solve for x
    x = 287,021,176.67/14,308.62
  6. Step 6: Final answer
    x = 20,059.32

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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.