Home / 11,358.73-15,670.82-6,880.85

Finding the Fourth Proportional to 11,358.73, 15,670.82 and 6,880.85

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Solution

The fourth proportional to 11,358.73, 15,670.82 and 6,880.85 is: 9,493.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,358.73 : 15,670.82 = 6,880.85 : x
  2. Step 2: Convert to fraction form
    11,358.73/15,670.82 = 6,880.85/x
  3. Step 3: Cross multiply
    11,358.73x = 15,670.82 × 6,880.85
  4. Step 4: Simplify right side
    11,358.73x = 107,828,520.71
  5. Step 5: Solve for x
    x = 107,828,520.71/11,358.73
  6. Step 6: Final answer
    x = 9,493.01

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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.