Home / 10,858.28-16,314.75-6,911.35

Finding the Fourth Proportional to 10,858.28, 16,314.75 and 6,911.35

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Solution

The fourth proportional to 10,858.28, 16,314.75 and 6,911.35 is: 10,384.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.28 : 16,314.75 = 6,911.35 : x
  2. Step 2: Convert to fraction form
    10,858.28/16,314.75 = 6,911.35/x
  3. Step 3: Cross multiply
    10,858.28x = 16,314.75 × 6,911.35
  4. Step 4: Simplify right side
    10,858.28x = 112,756,906.63
  5. Step 5: Solve for x
    x = 112,756,906.63/10,858.28
  6. Step 6: Final answer
    x = 10,384.42

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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.