Home / 9,330.56-12,876.68-5,351.64

Finding the Fourth Proportional to 9,330.56, 12,876.68 and 5,351.64

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Solution

The fourth proportional to 9,330.56, 12,876.68 and 5,351.64 is: 7,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330.56 : 12,876.68 = 5,351.64 : x
  2. Step 2: Convert to fraction form
    9,330.56/12,876.68 = 5,351.64/x
  3. Step 3: Cross multiply
    9,330.56x = 12,876.68 × 5,351.64
  4. Step 4: Simplify right side
    9,330.56x = 68,911,355.76
  5. Step 5: Solve for x
    x = 68,911,355.76/9,330.56
  6. Step 6: Final answer
    x = 7,385.55

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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.