Home / 11,022.30-16,541.55-6,868.35

Finding the Fourth Proportional to 11,022.30, 16,541.55 and 6,868.35

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Solution

The fourth proportional to 11,022.30, 16,541.55 and 6,868.35 is: 10,307.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.30 : 16,541.55 = 6,868.35 : x
  2. Step 2: Convert to fraction form
    11,022.30/16,541.55 = 6,868.35/x
  3. Step 3: Cross multiply
    11,022.30x = 16,541.55 × 6,868.35
  4. Step 4: Simplify right side
    11,022.30x = 113,613,154.94
  5. Step 5: Solve for x
    x = 113,613,154.94/11,022.30
  6. Step 6: Final answer
    x = 10,307.57

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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.