Home / 12,284.97-16,953.21-6,981.50

Finding the Fourth Proportional to 12,284.97, 16,953.21 and 6,981.50

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Solution

The fourth proportional to 12,284.97, 16,953.21 and 6,981.50 is: 9,634.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,284.97 : 16,953.21 = 6,981.50 : x
  2. Step 2: Convert to fraction form
    12,284.97/16,953.21 = 6,981.50/x
  3. Step 3: Cross multiply
    12,284.97x = 16,953.21 × 6,981.50
  4. Step 4: Simplify right side
    12,284.97x = 118,358,750.85
  5. Step 5: Solve for x
    x = 118,358,750.85/12,284.97
  6. Step 6: Final answer
    x = 9,634.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.