Home / 10,996.84-16,498.50-6,619.60

Finding the Fourth Proportional to 10,996.84, 16,498.50 and 6,619.60

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Solution

The fourth proportional to 10,996.84, 16,498.50 and 6,619.60 is: 9,931.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996.84 : 16,498.50 = 6,619.60 : x
  2. Step 2: Convert to fraction form
    10,996.84/16,498.50 = 6,619.60/x
  3. Step 3: Cross multiply
    10,996.84x = 16,498.50 × 6,619.60
  4. Step 4: Simplify right side
    10,996.84x = 109,213,470.60
  5. Step 5: Solve for x
    x = 109,213,470.60/10,996.84
  6. Step 6: Final answer
    x = 9,931.35

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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.