Home / 14,193.78-21,290.67-6,404.82

Finding the Fourth Proportional to 14,193.78, 21,290.67 and 6,404.82

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Solution

The fourth proportional to 14,193.78, 21,290.67 and 6,404.82 is: 9,607.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.78 : 21,290.67 = 6,404.82 : x
  2. Step 2: Convert to fraction form
    14,193.78/21,290.67 = 6,404.82/x
  3. Step 3: Cross multiply
    14,193.78x = 21,290.67 × 6,404.82
  4. Step 4: Simplify right side
    14,193.78x = 136,362,909.03
  5. Step 5: Solve for x
    x = 136,362,909.03/14,193.78
  6. Step 6: Final answer
    x = 9,607.23

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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.