Home / 14,470.54-21,704.18-9,820.42

Finding the Fourth Proportional to 14,470.54, 21,704.18 and 9,820.42

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Solution

The fourth proportional to 14,470.54, 21,704.18 and 9,820.42 is: 14,729.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,470.54 : 21,704.18 = 9,820.42 : x
  2. Step 2: Convert to fraction form
    14,470.54/21,704.18 = 9,820.42/x
  3. Step 3: Cross multiply
    14,470.54x = 21,704.18 × 9,820.42
  4. Step 4: Simplify right side
    14,470.54x = 213,144,163.36
  5. Step 5: Solve for x
    x = 213,144,163.36/14,470.54
  6. Step 6: Final answer
    x = 14,729.52

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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.