Home / 11,307.60-15,604.65-6,830.73

Finding the Fourth Proportional to 11,307.60, 15,604.65 and 6,830.73

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Solution

The fourth proportional to 11,307.60, 15,604.65 and 6,830.73 is: 9,426.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.60 : 15,604.65 = 6,830.73 : x
  2. Step 2: Convert to fraction form
    11,307.60/15,604.65 = 6,830.73/x
  3. Step 3: Cross multiply
    11,307.60x = 15,604.65 × 6,830.73
  4. Step 4: Simplify right side
    11,307.60x = 106,591,150.89
  5. Step 5: Solve for x
    x = 106,591,150.89/11,307.60
  6. Step 6: Final answer
    x = 9,426.51

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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.