Home / 11,217.78-16,807.50-6,284.34

Finding the Fourth Proportional to 11,217.78, 16,807.50 and 6,284.34

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Solution

The fourth proportional to 11,217.78, 16,807.50 and 6,284.34 is: 9,415.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.78 : 16,807.50 = 6,284.34 : x
  2. Step 2: Convert to fraction form
    11,217.78/16,807.50 = 6,284.34/x
  3. Step 3: Cross multiply
    11,217.78x = 16,807.50 × 6,284.34
  4. Step 4: Simplify right side
    11,217.78x = 105,624,044.55
  5. Step 5: Solve for x
    x = 105,624,044.55/11,217.78
  6. Step 6: Final answer
    x = 9,415.77

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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.