Home / 14,197.20-21,277.98-8,339.28

Finding the Fourth Proportional to 14,197.20, 21,277.98 and 8,339.28

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Solution

The fourth proportional to 14,197.20, 21,277.98 and 8,339.28 is: 12,498.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,197.20 : 21,277.98 = 8,339.28 : x
  2. Step 2: Convert to fraction form
    14,197.20/21,277.98 = 8,339.28/x
  3. Step 3: Cross multiply
    14,197.20x = 21,277.98 × 8,339.28
  4. Step 4: Simplify right side
    14,197.20x = 177,443,033.05
  5. Step 5: Solve for x
    x = 177,443,033.05/14,197.20
  6. Step 6: Final answer
    x = 12,498.45

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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.