Home / 11,022.90-15,211.53-6,307.08

Finding the Fourth Proportional to 11,022.90, 15,211.53 and 6,307.08

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Solution

The fourth proportional to 11,022.90, 15,211.53 and 6,307.08 is: 8,703.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.90 : 15,211.53 = 6,307.08 : x
  2. Step 2: Convert to fraction form
    11,022.90/15,211.53 = 6,307.08/x
  3. Step 3: Cross multiply
    11,022.90x = 15,211.53 × 6,307.08
  4. Step 4: Simplify right side
    11,022.90x = 95,940,336.63
  5. Step 5: Solve for x
    x = 95,940,336.63/11,022.90
  6. Step 6: Final answer
    x = 8,703.73

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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.